統計與機率
資料分析、機率分佈、假設檢定與統計方法。
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each bus in vivians city has a unique id number. she wants to know how …
Use a computer to list the ID numbers in a scrambled order. Then, choose the first 20 buses on the list.
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8 fill in the blank 10 points when playing the card game cribbage, the …
1. $p \leq 29$ 2. 21 (or 16, 17, 18, 19, 20 are also valid) 3. True
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8 fill in the blank 10 points when playing the card game cribbage, the …
1. $p \leq 29$ 2. 21 (or 16, 17, 18, 19, 20 are also valid) 3. True
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solving word problems with proportions name directions: set up a propor…
1. 42.5 hours 2. 35 defective parts 3. 2400 words 4. $7.50 5. 3.4 quarts 6. $8.10
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20. santiago thinks of the sea2 pointsas his best friendas a beautiful …
20. as a beautiful but elusive woman 21. 1 day
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pawsome pet store never has more than a combined total of 20 cats and d…
C. The graph with the yellow triangular region bounded by x=8, y=0, and x+y=20
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james wants to buy roses and daisies for his grandmother. the local flo…
Section B
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6. noah has 4 bags of marbles with the same number in each bag. if ther…
(Question 6): There are 134 marbles in each bag. ---
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natsumi paints walls for a living. she paints at a constant speed, and …
0.05 hours
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a young sumo wrestler decided to go on a special diet to gain weight ra…
5.2 kilograms per month
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the price of a climbing trip to mount kilimanjaro includes an initial f…
200 meters
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tanvir graphed the relationship between the number of rotations of the …
C. The number of millimeters per rotation that the screw height changes
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reagan graphed the relationship between the number of bars of music he …
A. Slope
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coleman graphed the relationship between the number of rotations of his…
D. None of the above
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lauren graphed the relationship between how many days had passed since …
C. y-intercept
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multiple choice what is the primary purpose of an economic system accor…
To organize and manage resources, production, and distribution
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the imperfect tense (continued) c. complete the following sentences by …
1. Nosotros (charlar) **charlábamos** con los parientes. 2. Mis padres (hacer) **hacían** picnics. 3. Yo (pasar) **pasaba** tiempo con mis amigos. 4. Mis hermanos (jugar) **jugaba…
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tammy has shown all her work for the following question. decide if ther…
B) Step 1
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incorrect question 14 0.5 / 1 pts write $\frac{7}{31}$ as a percent. ro…
22.6
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how does the task of identifying an intended audience help in determini…
It provides clues as to the speaker's purpose.
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suppose you roll a regular 6-faced die. what is the probability of roll…
- Probability of rolling a 6: $\frac{1}{6}$ - Probability of rolling a 2: $\frac{1}{6}$ - Probability of rolling a 4: $\frac{1}{6}$
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suppose a jar contains 5 red marbles, 4 white marbles, and 3 blue marbl…
8. $\frac{5}{12}$ 9. $\frac{1}{3}$ 10. $\frac{1}{4}$ 11. $\frac{1}{6}$ 12. $\frac{1}{6}$ 13. $\frac{1}{6}$ 14. $\frac{1}{3}$ 15. $\frac{1}{3}$ 16. 25
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hat did the girl rock say to the bod the answer to any question below i…
1. $\frac{1}{2}$ 2. $\frac{1}{2}$ 3. $50$ 4. $\frac{1}{6}$ 5. $\frac{1}{6}$ 6. $\frac{1}{6}$ 7. $15$ 8. $\frac{5}{12}$ 9. $\frac{1}{3}$ 10. $\frac{1}{4}$ 11. $\frac{1}{5}$ 12. $\f…
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simple interest problems 2-10-26 7h grade 1. elbert frank cox was the f…
1. $\$2520$ 2. $\$504$ 3. $\$18000$
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lesson 15 | session 23. an elevator in the seattle space needle can ris…
(Problem 3): The elevator's rate is 2 meters per second (it travels 2 meters every second) and 0.5 seconds per meter (it takes half a second to travel 1 meter). ---
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1) a runners 5k split times (min) are: 21.6, 24.3, 22.8, 23.1, 25.2. wh…
1. b. 23.4 2. b. 150 3. b. 11.05 4. b. 45 5. c. 12 6. b. Group A has a larger standard deviation 7. a. Mean increases a lot; median stays about the same
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1) the z-score tells you the distance the value is above or below the m…
1. C. Standard deviation units 2. A. True 3. C. 68% 4. $-3.154$ 5. a. $37.31$ b. $42.68$ 6. a. $37.90\%$ b. $41.47\%$ 7. a. $31.92\%$ b. $98.75\%$ 8. $8.08\%$
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88 students were surveyed. c. for each eye color, what percent of the s…
The completed two-way table is: | Gender | Green | Blue | Brown | |--------|--------|--------|--------| | Male | 5.7% | 18.1% | 30.7% | | Female | 3.4% | 21.6% | 20.6% | Total sur…
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modeling real life you randomly survey students in your school about th…
a. Completed two-way table: | Gender | Green | Blue | Brown | Total | |----------|-------|------|-------|-------| | Male | 5 | 16 | 27 | 48 | | Female | 3 | 19 | 18 | 40 | | Total…
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write and solve a proportion to answer the question. what number is 120…
$a = 96$
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write and solve a proportion to answer the question. round the answer t…
$p = 55.6\%$
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write and solve an equation to answer the question. 108 is what percent…
The completed equation is $108 = p \cdot 72$, and 108 is 150% of 72.
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write and solve an equation to answer the question. 108 is what percent…
The completed equation is $108 = p \cdot 72$, and 108 is 150% of 72.
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write and solve an equation to answer the question, \5 is 5% of what nu…
An equation is $5 = 0.05 \cdot w$. The solution is $w = 100$.
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write and solve an equation to answer the question, \39.2 is what perce…
An equation is $\boldsymbol{39.2 = p \cdot 112}$. The solution is $p = \boldsymbol{0.35}$, or $\boldsymbol{35}\%$.
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15. your car cost $42,500 when you purchased it in 2015. the value of t…
### Question 15 A. $y = 42500(0.85)^x$ B. $\$13625$ ### Question 16 A. $y = 65000(0.99)^x$ B. $\$53164$
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11. your starting salary at a new company is $34,000 and it increase by…
11. A. $Y = 34000(1.025)^t$ B. $\$38468$ 12. A. $Y = 9(1.015)^t$ B. $\$12.12$ 13. A. $Y = 25000(0.94)^t$ B. $\$15239$ 14. A. $Y = 2000(0.90)^t$
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name: harris, lashea j. per. date: cw6 132 pts 9. the first year of a c…
A. $Y = 500(1.05)^x$ B. 814 --- ### Problem 10
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6. marios $15,000 car depreciates in value at a rate of 19% per year. t…
1) $V=15,000(0.9)^{2t}$ --- ### Problem 9
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7. a bag contains 4 cherry, 8 orange, 6 strawberry and 10 lemon gummy b…
a) $\frac{25}{196}$ b) $\frac{2}{49}$ c) $\frac{15}{196}$
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5. the spinner is spun twice. find each probability. a) $p(\\text{squar…
a) $\frac{4}{9}$ b) $\frac{1}{36}$ c) $\frac{1}{3}$
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jds regents preparation, llc presents- algebra iexponential equations08…
1) $150(0.85)^m$ --- ### Question 12
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find each probability using multiplication 4. there are 8 green, 10 pur…
a) $\frac{289}{400}$ b) $\frac{1}{20}$ c) $\frac{4}{25}$
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1 $70 for 8 dinners rate = _______ unit rate = _______ 2 fraction: ____…
1. rate = $\frac{\$70}{8 \text{ dinners}}$, unit rate = $\frac{\$8.75}{1 \text{ dinner}}$ 2. Fraction: $\frac{3}{100}$, Decimal: $0.03$, Ratio: $3:97$, Percent: $3\%$ 3. $\frac{9}…
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read the excerpt from hobert\ in cane.rhobert is an upright man whose l…
It illustrates that the narrator has belief in God's power.
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read the excerpt from \the crab that played with the sea.\he went north…
- the repetition of words and patterns - the use of animals to tell a magical story
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ginny is studying a population of frogs. she determines that the popula…
$f(x) = 1,200(0.97)^x$
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this table represents an exponential function what is the multiplicativ…
0.5
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susan b. anthony: failure is impossiblesusan b. anthony was born in 182…
1. C. presenting a problem and explaining how Miss Anthony worked to solve it 2. B. she died before the law was changed 3. B. having no rights 4. A federal amendment would ensure …
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permutations sheet 1 list out all the possible permutations. 1) a, e, i…
1) AE, AI, AO, AU, EA, EI, EO, EU, IA, IE, IO, IU, OA, OE, OI, OU, UA, UE, UI, UO 2) 423, 432, 243, 234, 342, 324 3) CDR, CDF, CRD, CRF, CFD, CFR, DCR, DCF, DRC, DRF, DFC, DFR, RC…
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which of the number lines represents the solution to the given inequali…
B. The number line with a closed dot at 21 and an arrow pointing to the right (covering values 21, 22, 23, ...)
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calculate the value a $(1.6) cdot (0.006)$
0.0096
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using the rate of change to complete an exponential decay pattern domai…
18
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a farmer estimates that he has 9,000 bees producing honey on his farm. …
1. The function $f(x) = 9,000(0.95)^x$ represents the situation 2. After 2 years, the farmer can estimate that there will be about 8,120 bees remaining 3. The range values, in the…
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9. a spinner, numbered 1-8 is spun once. find each probability.p(a mult…
9. $P(\text{a multiple of 2}) = \boldsymbol{\frac{1}{2}}$ $P(3) = \boldsymbol{\frac{1}{8}}$ 10. Cameron's age: $\boldsymbol{14}$, Josephina's age: $\boldsymbol{21}$ (Completed tri…
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the balance of sams account, y, based on the number of weeks spent savi…
1. Sam is saving more money per week than his sister.: True 2. Sam started with less money in his account than his sister.: True 3. After 5 weeks, Sam's sister will have $25 less …
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rebecca recorded the number of times the weekly photography club meetin…
A. Graph X shows the line of best fit because it passes through the center of the data and has about the same number of points above the line as it does below the line.
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the following graph is an ogive of a standardized tests scores. the ver…
A test score of 130 corresponds to the 40th percentile rank since this percentage of test scores are less than or equal to a test score with a value of 130.
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d 3.5 question 8, 3.5.3 part 2 of 2 hw score: 83.15%, 7.48 of 9 points …
a. C. The distribution is skewed right. b. 2, 4, 6, 9, 19
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(a) identify the shape, partial text missing an integer. a. choose the …
(Assuming the full options include this choice) The distribution is skewed right. *Note: Based on the visible plot, the correct shape description is right-skewed, as the right whi…
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needs to empty the seahorse tank for cleaning. the gallons of water in …
1. The situation can be represented by the equation $y = 2.5x + 60.$: False 2. The aquarium initially contained 60 gallons of water.: True 3. The aquarium drains at a rate of 2.5 …
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a laptop computer is purchased for $1450. after each year, the resale v…
$\$497$
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40 how many socks weigh the same as one oven mitt? 41 one oven mitt wei…
2
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ntroduction to compound inequalities a political polling agency predict…
$50 \leq x \leq 58$
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4-3: lesson quiz which equation models the trend line? $y=-1.3x+2$ $y=1…
$y=-1.3x+2$
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4-3: lesson quiz what are the slope and y-intercept of the line? ○ the …
The slope is approximately 1.33 and the y-intercept is 2.
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math b - p(r) - s2 4-3: lesson quiz which statement is true about using…
You can use the equation of a trend line to find the y-value of a given x-value.
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19) 21, 26, 31, 36, ... 20) 6, 106, 206, 306, ... 21) -36, -26, -16, -6…
19) 41 20) 406 21) 4 22) -56 23) -29 24) -36
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graph the arithmetic sequence. 15) 4, 12, 20, 28
The graphed arithmetic sequence consists of the points $(1, 4)$, $(2, 12)$, $(3, 20)$, $(4, 28)$ plotted and connected with a straight line on the provided coordinate grid.
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lesson 20 | session 1 3 last year, a rapper performed 40 times. this ye…
a. 50 b. When we divide this year's number of performances (50) by last year's (40), we get 1.25, which is equal to 125%, confirming the answer is correct.
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nearpod by renaissance more events and shows are moving to subscription…
1. For fans, the shift to subscription/pay-to-watch models will likely create a divide: dedicated fans gain access to specialized, ad-free content, but casual fans and those with …
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solve the following system of inequalities graphically on the set of ax…
A point in the solution set is $\boldsymbol{(6, 2)}$ (or other valid points like $(8,0)$) ### Graphing Notes (for the axes): 1. For $y \geq -x+8$: Plot the line $y=-x+8$ (y-interc…
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read the graph from \career planning for high schoolers.\ annual mean w…
D. People with a degree beyond a high school diploma often earn more than $40,000 per year.
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read the graph from \career planning for high schoolers.\highest paying…
$75,000
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test prep directions: use this information to answer parts a, b, and c.…
$1\frac{41}{100}$
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read the excerpt from \career planning for high schoolers.\according to…
by presenting factual information
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the table shows the number of coins each person has in his or her pocke…
$0.28$
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xcerpt from \jesse owens olympic triumph me and hitlerism,\ by lerone b…
B. The German crowd was united in support of Owens.
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jesse owens olympic triumph over time and hitlerism,\ by lerone bennett…
C. It provides a firsthand account of how Owens's speed seemed superhuman.
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excerpt from \jesse owens olympic triumph over time and hitlerism,\ by …
C. thrilling
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end-of-unit assessment (continued)name7. two plumbing companies charge …
a. Hourly charge: $\$50$; One-time fee: $\$150$ b. Hourly charge: $\$60$; One-time fee: $\$80$ c. Yes; The costs are equal at 7 hours of work.
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the table below lists the percent of a countrys population that is fore…
$f(x)=0.0058(x-40)^2+4.3$
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end-of-unit assessment7. two plumbing companies charge for each hour of…
a. Hourly charge: $\$50$; One-time fee: $\$150$ b. Hourly charge: $\$60$; One-time fee: $\$80$ c. Yes; The costs are equal at 7 hours of work.
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the table below lists the percent of a countrys population that is fore…
$f(x)=0.0058(x-40)^2+4.3$
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the table below lists the percent of a countrys population that is fore…
$f(x)=0.0058(x-40)^2 + 4.4$
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the table below lists the percent of a countrys population that is fore…
B. [Graph showing initial decrease then steady increase]
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1. line 1: $y=-\frac{3}{2}x-4$ line 2: $5x+2y=-8$ this system of equati…
--- 1. Top System: This system of equations is: consistent dependent This means the system has: infinitely many solutions (not listed as an option, but the lines are identical) So…
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5. a football team played four quarters of a game. their total points s…
a. Yes b. No --- ### Problem 6
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lesson 1: academic vocabulary task: identify and write the following de…
| VOCABULARY | DEFINITION | MY OWN (Translation or Example) | PICTURE/EXAMPLE | |------------|------------|----------------------------------|-----------------| | aspect | One par…
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dig deeper you mix $\frac{1}{4}$ cup of red paint for every $\frac{1}{2…
a. You use 1 gallon(s) of red paint and 2 gallon(s) of blue paint. b. You use $\frac{3}{8}$ gallon(s) of red paint, $\frac{3}{4}$ gallon(s) of blue paint, and $\frac{3}{8}$ gallon…
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modeling real life you mix 0.25 cup of juice concentrate for every 2 cu…
You use 2 cups of juice concentrate and 16 cups of water.
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modeling real life an oil spill spreads 25 square meters every $\frac{1…
300
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using a venn diagram to understand the addition rule for probability e …
$P(A) = \frac{5}{8}$ $P(B) = \frac{9}{16}$ $P(A \text{ or } B) = \frac{15}{16}$ $P(A \text{ and } B) = \frac{1}{4}$ $P(A) + P(B) - P(A \text{ and } B) = \frac{15}{16}$
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5) merna raised $23.25 by selling 35 baked items for the builders club.…
She sold 20 cookies and 15 brownies.
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graph: $y = 4x - 5$ slope = $\frac{4}{1}$ y-intercept = $-5$ graph: $y …
For the multiple choice: Up 4, over 1 For the second line: Slope = $\frac{1}{2}$ Y-intercept = $-3$
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student test darren and his family roll a four-sided die, numbered 1 th…
Part A: $\frac{1}{4}$ or 0.25 Part B: $\frac{4}{20} = \frac{1}{5}$ or 0.20 Part C: The experimental probability from the simulation (0.20) is slightly lower than the theoretical p…
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hassan and jenny are also climbing the stairs in th $x$: number of minu…
Jenny starts at the bottom and climbs up 15 steps per minute.
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x: number of minutes y: number of steps what does the equation $y = 15x…
The equation $y = 15x + 30$ means Hassan starts at the 30th step and climbs up 15 steps every minute. - Correct starting step: 30th step - Steps per minute climbed: 15
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on a field trip, there will be 1 chaperone for every 11 students. a bus…
| Chaperones ($x$) | Students ($y$) | |-------------------|-----------------| | 3 | 57 | | 4 | 56 | | 5 | 55 | | 6 | 54 |
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jovan is considering two job offers. each company pays a fixed monthly …
1. For $2,000 in monthly sales: Company B 2. For $7,000 in monthly sales: Company A