Statistiques
Analyse de données, distributions de probabilités et tests d'hypothèses.
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around the world in 80 days destination: brazil questions 1) when did b…
1. 1960 2. Cable car (Sugar Loaf Cable Car) 3. Copacabana Beach and Ipanema Beach 4. Rio offers world-famous carnivals, beautiful coastal scenery, a lively cultural scene, and has…
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what is the creatures reward for saving a young girl from drowning? sel…
1. a. He is shot. 2. c. He believes the Creature is after only him.
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voices of change: civil rights leaders primary source: \i have a dream\…
1. Retrieval Practice Answer: Dolores Huerta 2. Practice & Reflection Multiple Choice: b) John Lewis 3. Self-Explanation Answer: Rosa Parks' decision to stay seated challenged the…
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3. five pounds of birdseed is used to fill 4 identical bird feeders a. …
3. a. $\frac{1}{4}$ 3. b. $\frac{5}{4}$ pounds 4. a. $\$0.80$ 4. b. $\$0.20$ *(Nota para el inciso 3.b.: Un diagrama de cinta consistiría en una cinta dividida en 4 partes iguales…
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fill in the blank question closing means to transfer account balances f…
1. temporary 2. zero
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8) why does this news confuse and amaze macbeth? 9) what explanation do…
8) The news matches the witches' impossible-seeming prophecy that he would be Thane of Cawdor; he is confused by how a fantasy became reality, and amazed the prophecy was fulfille…
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4 multiple choice 3 points james corner describes landscape as: romanti…
B. How we give form to our land and cities
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determine which function(s) are exponential. select all that apply. a. …
B. | x | y | |---|---| | 0 | $\frac{1}{3}$ | | 1 | 1 | | 2 | 3 | | 3 | 9 | | 4 | 27 | C. | x | y | |---|---| | 0 | 5 | | 1 | $\frac{5}{2}$ | | 2 | $\frac{5}{4}$ | | 3 | $\frac{5}{…
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bryan decided to ride his bike along a new route home from school to av…
20 minutes
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michelle practiced all week to improve her typing speed. she estimated …
10.0
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mr. johnson predicted the average score on the vocabulary test he gave …
92.4 points
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while playing a word game with friends, dylan predicted how many points…
90 points
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16. {(1,4), (1,5), (2,3), (9,28)}
The set \(\{(1,4),(1,5),(2,3),(9,28)\}\) is not a function because the input \(x = 1\) has more than one output (\(y = 4\) and \(y = 5\)).
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erik is learning how to make hachapuris. he uses 5 eggs for each hachap…
2
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a primitive economy depends on two basic goods, yams and pork. producti…
390 bushels of yams and 160 pigs.
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a meter is a unit of length approximately equal to 39.37 inches. if som…
75.98
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solve the system of equations. state the decimal solution to the neares…
$(1.77, 0.45)$
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a formal hypothesis test is to be conducted to test the claim that the …
A. No. Hypothesis tests can only find sufficient evidence to support a claim when the claim does not contain equality.
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zaid buys a loaf of bread and some broccoli. the graph shows the total …
The rate of change is \( 2 \). It represents the cost of one pound of broccoli.
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4 which scatter plot does not show an appropriate line of best fit? a b…
C
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1. andrews entire workout consisted of 10 minutes of warm-up exercises,…
$\frac{1}{2}$ or 1:2
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read the excerpt from \the scarlet ibis.\ there is within me (and with …
the casket, which symbolizes the loss of Doodle
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13. vera cut a board 87.4 cm long into 4 equal pieces. how long is each…
21.85 cm
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question 6 of 8 > a usa today poll asked a random sample of 1012 u.s. a…
4048
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solvingstatement. if the statementne measurement from thees if you know…
The friend is not correct. The input-output table represents the function $y=x+3$, which does not match any of the graphed options (A. $y=\frac{x}{3}$, B. $y=x+1$, C. $y=-2x+6$). …
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______ communication is the body language one uses to convey meaning du…
1. Non-verbal 2. Both a and b
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practice part 3 not all functions are equations- some are represented g…
## Practice Part 3 ### For $y=f(x)$: a. $4$ b. $2$ c. $3$ d. $1, 5$ ### For $h(x)$ table: a. $40$ b. $6$ ### For $y=g(x)$: a. $2$ b. $7$ c. $0$ d. $5$ ### For $q(x)$ table: a. $25…
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question 4 of 7 the birth weights of males born full term vary accordin…
$\mu_{\bar{x}} = 3.4$ kg $\sigma_{\bar{x}} = 0.129$ kg
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is the group of words in bold a phrase or a clause? usually the result …
clause
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question 5 of 7 a company uses a machine to fill plastic bottles with c…
0.2610
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harlene tosses two number cubes. if a sum of 8 or 12 comes up, she gets…
$-\frac{1}{6}$ (Option B)
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question 5 of 7a company uses a machine to fill plastic bottles with co…
Less likely. Individual values vary more than averages, so getting an individual value that is close to the true mean is less likely. --- ### Part (b) (Step-by-Step Format)
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johnny is challenged to a single-player game with an expected value of …
It is a favorable game.
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function notation word problems google classroom microsoft teams \princ…
B. Floor 20 and floor c have the same number of tenants.
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aria walked down a trail into a valley. $v(d)$ models arias vertical di…
C. When Aria had walked 3 km along the trail, her vertical distance from the top of the valley was less than 3 km.
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joe takes part in math competitions. a particular contest consists of 2…
90.8
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which excerpt from *aint i a woman?* is the best example of logos?○ nob…
If the first woman God ever made was strong enough to turn the world upside down all alone, these women together ought to be able to turn it back, and get it right side up again.
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alek went for a walk. $d(t)$ models the distance alek walked (in kilome…
B. The distance Alek walked during the first half hour is shorter than the distance he walked during the following half hour.
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two black chips and three red chips are put into a bag. two points are …
0.4
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multiple choice question choose the statement below that explains what …
Closing means to bring an account balance to zero.
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an investor has an opportunity to invest in three companies. she resear…
B. company B
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sampling distribution of the sample mean warm-up active warm-up describ…
- sampling distribution of the sample mean → the means for travel time of many groups of 5 students from this school - distribution of a single sample → the travel time of 5 stude…
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the data in the table represent the height of an object over time. heig…
quadratic, because the height increases and then decreases
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find the indicated probability. if you pick a card at random from a wel…
$\boldsymbol{\frac{11}{26}}$ (Option: $\boldsymbol{\frac{11}{26}}$)
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3 in a survey, 13 out of 20 teachers respond yes to a proposal for a ne…
a. The students are more in favor of the new after-school club. b. The verification confirms that $\frac{74}{100}$ (student approval) is greater than $\frac{65}{100}$ (teacher app…
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there are 4 cardinal virtues or human virtues. they are prudence, justi…
1. **Prudence Examples**: - Taking 5 minutes to plan homework order (hardest first) instead of rushing into easy tasks, to avoid last-minute stress. - Asking a teacher for clarifi…
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what happens between willy and his boss howard? make a prediction about…
1. Between Willy and Howard: Howard fires Willy after Willy asks for a reduced-travel, office-based role, rejecting Willy's appeals to their long history and dismissing his declin…
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the sporting equipment has been sorted into baseballs and bats. the num…
$\boldsymbol{\frac{3x - 4}{x} = \frac{80}{20}}$ (first option)
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3. sam is ordering custom cookies for an upcoming soccer team celebrati…
a. Julie's pool is filling at a faster rate because $5.2 \> 4.8$. b. Julie's pool initially contained more water because $8,400 \> 7,850$. c. Julie's pool ($8,556$ gallons) a. Chr…
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a fair six-sided number cube has the following faces: 1, 1, 2, 2, 5, 6.…
0.309
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calculating probabilities for sampling distribution quiz complete 1 2 3…
0.263
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read the paragraph. then answer the questions.sallys snacksally dashed …
1. C. Sally is hungry after school. 2. C. jam on bread 3. A. ran in a hurry.
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calculating probabilities for sampling distribution quiz complete 1 2 3…
0.238
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ricardo and tammy practice putting golf balls. ricardo makes 47% of his…
0.384
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a producer of gel pens claims that 96% of its pens can write more than …
Yes, the probability of seeing the sample result is so far from what is expected that the probability of it occurring by chance alone is very unlikely (0.0115 < 0.05).
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je raisonne amalia et jim soccupent du nouvel aménagement dun parc de p…
La surface disponible pour l'ajout de nouveaux modules est $\boldsymbol{527,8}$ m².
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on any given day, 34% of sales at rubys jewelry store are from necklace…
0.250
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a ceiling fan manufacturer claims that 89% of homes in the south have c…
No, the difference between the sample result and what is expected is not extreme enough.
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calculating probabilities from the sampling distribution of $hat{p}_1 -…
0.198
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carlton and leon are expert bowlers. seventy percent of carltons rolls …
No, the difference between the sample result and the expected result is not extreme enough. The probability of it occurring by chance alone is not unlikely (0.4096 > 0.05).
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samir and jillian share a phone plan. each month they can use a combine…
Samir and Jillian have used less than 8 GB of data, so they do have data left to use.
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carlton and leon are expert bowlers. seventy percent of carltons rolls …
0.4096
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omar has $2\\frac{1}{4}$ cups of dough to make dumplings. if he uses $\…
36
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5 fill in the blank 1 point 36 is 0.9% of what number. use percent prop…
4000
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convert the following number into standard notation $17.22 \\times 10^{…
17,220,000
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6 fill in the blank 1 point what is 75% of 124? use percent proportion …
93
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convert the following number into scientific notation. 415,620 ○ $41.56…
4.15620 × 10⁵ (Option B: 4.15620 × 10⁵)
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to convert a number from standard notation into scientific notation, th…
1. First blank: 1-10 2. Second blank: more 3. Third blank: less 4. Fourth blank: 10 5. Fifth blank: positive 6. Sixth blank: negative Filled passage: To convert a number from stan…
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11.7 interrogative and demonstrative pronouns key information an interr…
1. **Which** of the movies did you rent? $\boldsymbol{I}$ 2. **Whom** are you going to meet? $\boldsymbol{I}$ 3. **These** keep my hands very warm when I'm outside. $\boldsymbol{D…
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express each number in scientific notation. 1) 0.0259 = _______ 2) 902 …
1) $2.59 \times 10^{-2}$ 2) $9.02 \times 10^{2}$ 3) $5.582 \times 10^{4}$ 4) $3.15 \times 10^{-1}$ 5) $9.73 \times 10^{-3}$ 6) $1.0006 \times 10^{4}$ 7) $8.56 \times 10^{2}$ 8) $2…
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3. choose the better estimate. a girls height: 5 feet or 6 inches (a) i…
(a) 5 feet (with the corresponding patch of hair between the two ears drawn as shown)
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a punch recipe requires 2 cups of cranberry juice to make 3 gallons of …
$\frac{2}{3}$ cups of cranberry juice
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2/5 u6l9 practice problems learning target: i can represent large numbe…
1. Three ways: - $43.7 \times 10^4$ - $4.37 \times 10^5$ - $43700 \times 10^1$ 2. Three ways: - $32 \times 10^6$ - $3.2 \times 10^7$ - $320 \times 10^5$ 3. a. Tick marks (left to …
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wyatt hiked 6 miles in 2 hours. at this same rate, what is the total nu…
27 miles
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which system of equations could be graphed to solve the equation below?…
B. $y_1 = \log(2x+1), y_2 = 3x-2$
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grade 8 practice 8.ee.a.3: scientific notation www.jmap.org name: tyrei…
1. [C] $7.58 \times 10^4$ 2. [C] $2.22 \times 10^6$ 3. $7.13 \times 10^5$ 4. $9.28 \times 10^4$ 5. $5.64 \times 10^6$ 6. [C] $1.21 \times 10^{-2}$ 7. [C] $3.46 \times 10^{-4}$ 8. …
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a researcher for a polling organization used a random sample of 1,540 r…
C. The polling organization can be 95% confident that the interval from 0.455 to 0.505 captures the proportion of all city voters who would vote for Jones.
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chapter 2: expressions and interactivity > 2.2 mathematical expressions…
$\frac{\text{tickets1} + \text{tickets2} + \text{tickets3}}{\text{class1} + \text{class2} + \text{class3}}$
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practice: ratios and ratio tables white grape juice: $\\frac{3}{4}$ cup…
Part A: $8:3$ Part B: $\frac{8}{3}$
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3) $\frac{(1.8 \\times 10^{5})}{(3 \\times 10^{2})}$ $0.6 \\times 10^{3…
3) $6 \times 10^{2}$ 4) $9 \times 10^{4}$ 5) $8.036 \times 10^{12}$ 6) $1.2 \times 10^{6}$ 7) $5.02 \times 10^{-8}$ 8) $4.32 \times 10^{11}$ 9) $8.001 \times 10^{14}$ 10) $0.00001…
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an inspector inspects large truckloads of potatoes to determine the pro…
The inspector can be 95% confident that the interval from 0.063 to 0.204 captures the proportion of all potatoes on the truck with blemishes.
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practice: ratios and ratio tables club soda 4 cups part a. write the ra…
2
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2.fruit punch ingredientschopped watermelon 3 cupssugar $\frac{3}{4}$ c…
The ratio is $2:1$
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this scatterplot shows the relationship between the number of slices of…
x=0
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a random sample of roosevelt high school students was asked if they pre…
No. Since the interval contains values above 0.5, it is plausible that more than 50% of students prefer using a computer for notes.
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a yogurt company claims that it prints a free yogurt coupon under a ran…
The company's claim may be justified because 0.2 is in the confidence interval.
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a study was done to estimate the mean commute time for a population of …
No, because 45 minutes is greater than the upper bound of the confidence interval.
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this scatterplot shows the relationship between the number of slices of…
slope
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a statistics class weighed 20 bags of grapes purchased from the store. …
The store is justified in stating that the average weight of the bags is 16 ounces because 16 ounces is in the confidence interval.
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a quality control inspector selects 12 bottles of apple juice at random…
No, since the advertised value of 300 ml is in the confidence interval.
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a newspaper poll found that 54% of the respondents in a random sample o…
We are 95% confident that the interval from 0.48 to 0.60 captures the true proportion of voters who would vote for Roberts.
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college - understanding use the information below to answer the questio…
doing your own research
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ms. k. murphy directions: answer true or false to the following stateme…
1. True 2. False 3. True 4. True 5. False 6. False 7. False 8. False 9. False 10. False
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part a. write the ratio of mint leaves : chopped watermelon the ratio i…
$\frac{1}{6}$
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practice: ratios and ratio tablesfruit punch ingredientschopped waterme…
$1:6$
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renovation. if the number of square feet is 238 more than the number of…
B. 17 days
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the impact of social media on your employment use the information below…
private
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effective communications use the information below to answer the questi…
explain your point of view calmly and respectfully
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meaningful monday: feb. 9 using a thesaurus look at this thesaurus entr…
The flu is going around school.
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14/15 in the given relation, what domain value corresponds to the range…
D. 0