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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the word autograph contains the root graph. what does the root graph me…
write or draw
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at a large museum, there are 70 people in each tour group. use this inf…
For 4 tour groups: 280 For 8 tour groups: 560 For 10 tour groups: 700 To plot the ordered pairs: - (4, 280) - (8, 560) - (10, 700) Locate these points on the graph where the x - a…
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the word homophone contains the root phon. what does the root phon mean…
sound
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the word reflex contains the root flex. what does the root flex mean? o…
The option with "bend or curve" (the middle option among the three provided).
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which of the following events are disjoint? choose a student at random …
Choose a student at random from a statistics class. Event A is that the student is a junior. Event B is that the student is a senior.
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use the explicit formula to find a recursive formula for the sequence $…
\( a_n=-5a_{n - 1} \) (with \( a_1=-50 \), but the formula for \( a_n \) in terms of \( a_{n-1} \) is \( -5a_{n - 1} \))
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the word hydrant contains the root hydro. what does the root hydro mean…
water
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1. compare. $8.3 \\times 10^3$ $\\bigcirc$ $8,300$
\( 8.3 \times 10^3 = 8,300 \)
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use the initial term and the recursive formula to find an explicit form…
\( a_n = 300(-5)^{n - 1} \)
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the word photograph contains the root photo. what does the root photo m…
light
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write a power regression equation for the following data, rounding all …
\( y = 5034.73x^{0.16} \)
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use the explicit formula to find a recursive formula for the sequence $…
\( 4a_{n - 1} \) (with the understanding that the recursive formula is \( a_n = 4a_{n - 1} \) for \( n \geq 2 \) and \( a_1=-1 \))
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2. why does douglass say that learning to read was a curse rather than …
2. Because learning to read made Douglass aware of the full extent of his enslavement (the injustice, lack of freedom, and hopelessness of his condition as a slave), the knowledge…
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name practice write a decimal that names the same point on the number l…
1. \(0.5\) 2. \(1.2\) 3. \(1.4\) 4. \(1.0\) 5. \(0.6\) 6. \(1.3\) 7. \(0.7\) 8. \(0.0\) 9. \(E\) 10. \(H\) (or as per correct number line interpretation) 11. \(F\) (or as per corr…
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read the paragraph. hanas coach held up a rubber band and stretched it.…
the ability to recover from stress well
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wes $78.60 for text messaging in the month of june. if her text messagi…
782
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emma woke up excited because after school, she would start her voluntee…
get even stronger
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read the paragraph. being an olympic athlete is an intense experience. …
D. extremely powerful (assuming the options are labeled A - D with D being "extremely powerful"; if the last option is D, else adjust the identifier based on the actual option num…
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2. why does douglass say that learning to read was a curse rather than …
### Question 4 The word "Prudence" generally means the quality of being careful, using good judgment, and showing wisdom in practical matters, especially when making decisions. (T…
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119. - / 1 points 0/5 submissions used one slice of cheese pizza contai…
50
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nombre fecha tarea hallar calcetines jacob estaba limpiando su cuarto. …
Jacob halló un total de 13 calcetines.
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together, teammates pedro and ricky got 2674 base hits last season. ped…
1476
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1. compare. 2.9 x 10² ○ 2.9
\( 2.9 \times 10^2 > 2.9 \)
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the chart shows a range of credit scores. sample credit score range a c…
B. find it hard to get a loan.
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4. what is the most likely reason the author included paragraph 5 in th…
c)To show that reading is an important step in gaining knowledge ### Question 5
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lesson 4.2.4 connecting representations of proportional relationships 4…
The relationship is proportional. The unit rate (constant of proportionality) is 1.1 cups of Funfetti per hour.
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there are x students in the robotics club. there are 7 more students in…
The number of students in the robotics club is \(\boldsymbol{13}\).
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12. a store buys an item for $30 and sells it for $48. what percent mar…
$60\%$ ### Problem 13
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swimming pool on a certain hot summer’s day, 589 people used the public…
259
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4. ms. tanaka is a guidance counselor at a local high school. she is gi…
Explanatory variable: High School GPA Response variable: College GPA ### Part (b)
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practice: motion graphs part 1: match the letters on the graph to the s…
for Question 4 Clara is jogging faster during part A. Because the speed during part A (e.g., if she jogs 600 m in 5 minutes, speed = 120 m/min) is greater than the speed during pa…
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a drilling crew drills the same depth each day for 7 days. at the end o…
The change in depth each day of drilling is represented by the expression $-1344\div7$. The change in depth each day of drilling is represented by the value $\boldsymbol{-192}$ fe…
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mean what you say drag the correct answer into the blank below. he coul…
stride
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swimming pool on a certain hot summer’s day, 589 people used the public…
330
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there are x students in the robotics club. there are 7 more students in…
The top tape diagram (the first one, with robotics labeled \( x \), art labeled \( x \) and an extra 7)
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dessert: select two probl each costume for the school show needs 3\\fra…
9
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a drilling crew drills the same depth each day for 7 days. at the end o…
The Middle Graph (the second number line with 7 dashed arrows from 0 to - 1344)
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9. a book decreases from $16 to $12. what is the percent decrease? 10. …
a) The discount amount is $\$10$. b) The sale price is $\$40$.
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scenario 3 next, luis works on a dance which will mix dancers from two …
s: - Team sizes Luis can use: $1, 2, 3, 6, 9, 18$ - Greatest team size: $18$ - Generalization: Scenario 3 involves two groups (dancers from two schools), so we find common factors…
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9. a book decreases from $16 to $12. what is the percent decrease?
25%
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the 7th grade class at a school has 11 more students than the 6th grade…
63
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4. ms. tanaka is a guidance counselor at a local high school. she is gi…
Explanatory variable: High school GPA Response variable: First - year college GPA ### Part (b)
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lesson 4-1 additional practice name review you can estimate sums and di…
1. Estimate: \(8 + 3 = 11\) 2. Estimate: \(14 + 21 = 35\) 3. Estimate: \(14 - 5 = 9\) 4. Estimate: \(79 - 50 = 29\) 5. Estimate: \(11 + 8 = 19\) 6. Estimate: \(25 + 19 = 44\) 7. E…
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3. on a 3-hour bike ride, rod averaged 5.25 miles per hour. write a div…
\(\frac{d}{3} = 5.25\) (where \( d \) is the total distance Rod biked)
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write a power regression equation for the following data, rounding all …
\( y = 4982.53x^{0.18} \)
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write a power regression equation for the following data, rounding all …
\( y = 5050.67x^{0.17} \)
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test prep 13. in a jar, 25% of the marbles are red. if there are 45 red…
C. 180 ### Question 14
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select the correct answer from each drop - down menu. read the sentence…
the purpose of creating wildlife crossings.
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2. the table shows the relationship between a runner’s average speed an…
Explanatory variable: Runner’s average speed (feet per second). Response variable: Average number of steps per second. ### Part (b)
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select the correct answer from each drop-down menu. read the sentence f…
The phrase "at the heart of" means the most important part.
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write a power regression equation for the following data, rounding all …
\( y = 738.79x^{-0.49} \)
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practice 1. determine whether each scatterplot represents a linear rela…
a. No relationship; b. Linear relationship; c. Linear relationship; d. Non - linear relationship
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2. a box of masons cereal contains 479.4 grams of cereal. mason eats 28…
\( 479.4\div28.2 = n \) (where \( n \) is the number of servings)
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select the correct answer. read the excerpt from paragraph 16. (16) ala…
A. flourishing
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11. the girls contradicted each other, agreeing on the same ice cream f…
False ### Question 12
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write a quadratic regression equation for the following data, rounding …
\( y = -0.59x^2 + 17.53x - 46.47 \)
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growing up, bailey watched a lot of old movies where babysitters were c…
B. social role
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the graph shows the average price of homes in the united states from 20…
B. Rising home prices in recent years means that more people will need to take out mortgages.
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4. a town spends 43% of budget is one million dollars, how much will be…
Matt has scored 96 points so far.
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solve. round to the nearest tenth of a percent. use the news clipping b…
The percent decrease is approximately 7.1%.
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two dice are rolled (see the figure below for the sample space of this …
Yes; \(\frac{5}{18}\) (corresponding to the option "Yes; \(\frac{5}{18}\)")
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solve. round to the nearest tenth of a percent. the graph below shows t…
14.8%
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is the line of fit drawn correctly? select the answer and justification…
C. No; most data points are above the line
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102. -/1 points 0/5 submissions used in the 1990–1991 school year, the …
\( 97.8\% \)
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10. 35% of 500 is
175
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16. the members of a gym use 98 towels each day during the week. how ma…
686
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sam needs bags of mulch to put in his flower bed. he has 470 square fee…
10.000
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in 1928, the number of events in the winter olympics was 14. the 2014 w…
600%
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mrs. rivera has 21 bottles of vinegar for students to use in an experim…
$\boxed{31.5}$ (but since students are whole, maybe the problem has an error) Wait, no, maybe I misread the problem. Let me re-express: Wait, the original text: "Mrs. Rivera has 2…
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(2) thousands of years ago, the tiny coquina clam (donax variabilis) li…
B. dropping gradually
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select the correct answer. look at this dictionary entry for the word a…
D. definition 3
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what is a line of fit used for? * ○ to separate all the points. ○ to ma…
C. To show the general direction of the graph and make predictions.
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what is the equation of the line of best fit. options: \\( y= -3/9 x + …
\( y = -\frac{1}{2}x + 7 \) (the last option: \( y = -1/2 x + 7 \))
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a long box can hold a certain number of comic books. use the graph of t…
5
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the barrels shown below will be placed in 3 rows at a park. there will …
B. 36÷3 = 12
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zoe kicks a football. the graph below shows the height of the football …
2 seconds
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3. pit tickets cost $49 and general admission tickets cost $20. if 350 …
Pit tickets: 75, General admission tickets: 275 ### Problem 4
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a rocket is launched in the air. the graph below shows the height of th…
The x - coordinate (or t - coordinate) of the vertex is \(\boldsymbol{20}\) and represents the time (in seconds) when the rocket reaches its maximum height. The y - coordinate (or…
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date: period: scatterplots & trend lines 1. what is the relationship of…
positive
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gina has 42 mushrooms to put into 6 salads. she wants to put the same n…
A. El diagrama A (con secciones de 7, seis veces, sumando 42)
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use distribution to find the value of (a+b)(a+b) with no parentheses. p…
\(a^{2}+2ab + b^{2}\) (corresponding to the option \(a^{2}+2ab + b^{2}\))
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determine whether the proportion is true or not true. \\(\\frac{225\\te…
The proportion is not true. ### Second Sub - Question (Solving for \(n\))
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Question was provided via image upload.
3
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94. -/1 points 0/5 submissions used details my notes two cyclists start…
9.5
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the ride for health bicycle club has chosen a 24-mile course for this s…
3
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in a true/false question, every part of the statement must be true for …
A. True
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what does it mean to prioritize the questions? choose one option a answ…
D. Answer the easy questions first.
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what should you do if you don’t understand the test directions? choose …
A. Ask the teacher to explain them to you.
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use the probability distribution to complete parts (a) and (b) below. t…
1.8
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use the probability distribution to complete parts (a) and (b) below. t…
3.4
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use properties of logarithms to condense the logarithmic expression bel…
\(\log(yz^{10})\)
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use the probability distribution to complete parts (a) and (b) below. t…
3.3
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complete parts (a) and (b) below. the number of dogs per household in a…
\(0.9\)
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company x tried selling widgets at various prices to see how much profi…
To find the quadratic regression equation and the profit for \( x = 51.25 \), we use a statistical calculator or software (e.g., TI - 84, Excel, or online calculators) to perform …
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takeru only uses eggs for soufflés in his restaurant. he uses 3 eggs pe…
Takeru bought \( 72 \) eggs and baked \( 18 \) soufflés.
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complete parts (a) and (b) below. the number of dogs per household in a…
\(0.8\)
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campers select one inside activity and one outside activity daily. ther…
\(\frac{1}{40}\)
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complete parts (a) and (b) below. the number of dogs per household in a…
\(0.5\)
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use descriptive academic language with correct grammar and detailed inf…
| Category | Item (1 pt per box) | 2 Sentence Reflection (1 pt per box) | |------------------|---------------------|---------------------------------------------------------------…
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determine whether the distribution is a probability distribution. x 0 1…
D. No, because the total probability is not equal to 1.