Statistiques
Analyse de données, distributions de probabilités et tests d'hypothèses.
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candy corn: love it or hate it? your turn answer the questions using th…
1. (Assuming typical survey data for Gen Z and candy corn enjoyment, a common value might be around 40% - 50%, but since the infographic details are partial, if we infer from comm…
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question a dressmaker needs to cut 9 - inch pieces of ribbon from rolls…
540
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which method of gathering data will be most effective in learning how d…
an experiment
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which of the following could be classified as a census? a survey of a p…
B. a survey of each student in a school about school lunch options
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question a dressmaker needs to cut 4-inch pieces of ribbon from rolls o…
180
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problem: take a survey of people at a ball game to collect and analyze …
D. Yes, it is biased. The sample of people at the ball park is not representative of Star City’s residents.
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25/40 1.49 × 10⁻⁷
\(0.000000149\) (or in scientific notation \(1.49\times10^{-7}\))
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a teacher asks students to list the main lessons they learned on five r…
B. Simple random sampling (assuming the options are labeled A to D, but in the image, the options are listed as: 1. systematic random sampling 2. simple random sampling 3. conveni…
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how many significant figures are in this number ? 91630
4
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part f think about graphing the inequality you found in part d on a num…
3. closed circle on 14,012.40 and arrow pointing right
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7.82 × 10⁻⁶ is an example of scientific notation. the exponent of -6 te…
small
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the population of a town is divided into three age categories. a random…
A. cluster sampling (Note: Wait, correction—actually, the correct is stratified sampling. But based on the options, if the first option is cluster, no—wait, the description: "divi…
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answer the questions using the information in the infographic and graph…
To solve these problems, we'll assume the total number of people surveyed is 1500 (a common survey size, and we'll use the given percentages and data for calculations). ### Proble…
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how many significant figures are in this number ? 1.7 × 10⁻³
2
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question a dressmaker needs to cut 9-inch pieces of ribbon from rolls o…
360
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how many significant figures are in this number ? 650.
3
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how many significant figures are in this number? 500
1
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anna buys a one - quart bottle of juice for $5.76. what is the unit rat…
32
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4. molly bought 4.23 meters of pink ribbon and 8.56 meters of orange ri…
C. 12.79 meters
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convert to scientific notation: 43,000,000
\( 4.3\times10^{7} \)
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brand y cola sponsors a survey of 15,550 residents of texas to determin…
B. the 15,550 residents
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building inequalities to solve real - world problems: tutorial 1.05x > …
Nancy's original value (represented by \( x \)) must be greater than \$14,012.40 for the inequality \( 1.05x > 14,713.02 \) to be true. For example, if \( x \) is her pre - increa…
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at the beginning of a call to the cable company, a message tells custom…
B. voluntary sampling
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try to change the number back to standard form: 6.79 × 10⁴
67900
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building inequalities to solve real - world problems: tutorial hide sam…
\( x > 14012.4 \)
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question 36 the word lied in german means: ○ to lead or conduct an orch…
D. an art song
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2. brad used the compatible numbers 520 ÷ 20 for an estimate. which quo…
B. \(522\div21\)
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15/40 how many significant figures are in this number ? $5.9 \\times 10…
2
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how many significant figures are in this number ? 4390
3
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how many significant figures are in this number? 6.0
2
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how many significant figures are in this number? 0.0002
1
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11/40 1.6 × 10³
1600
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social choice: do we all agree assignment 1. suppose an election is hel…
Mars’ Snickers (S) is the winner using the Borda Count Method. ### Question 2 Solution (Answer-Explanation Format)
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diane drove 693 miles in 11 hours. at the same rate, how long would it …
5
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complete the sentence with the word that best fits the overall meaning …
an uneventful
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ahmad made $60 for 5 hours of work. at the same rate, how much would he…
\( 84 \)
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how many significant figures are in this number? 3670000
3
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complete the sentence with the word that best fits the overall meaning …
B. premature
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how many significant figures are in this number ? 3670000
The number of significant figures in 3670000 is 3 (from the digits 3, 6, 7).
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complete the sentence with the word that best fits the overall meaning …
Illustrious
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complete the sentence with the word that best fits the overall meaning …
manipulating
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how many significant figures are in this number ? 0.0000620
3
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complete the sentence with the word that best fits the overall meaning …
prosperous
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how many significant figures are in this number ? 0.40001
5
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complete the sentence with the word that best fits the overall meaning …
egotism
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concept vocabulary why these words? the vocabulary words are all relate…
1. fraud 2. criminals 3. disguise 4. forged 5. masquerade 6. impostor
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complete the sentence with the word that best fits the overall meaning …
captivated
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complete the sentence with the word that best fits the overall meaning …
irrevocable
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complete the sentence with the word that best fits the overall meaning …
invaluable
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how many significant figures are in this number ? 0.40001
5
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word problems (show your work) 1. the rope was 4 7/8 feet long. after c…
\( 3\frac{5}{8} \) feet
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semester 1 review two organizations are collecting donations for a caus…
Exponential Function ### Part 23b
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i like my blue monster more than my red monster -- for every 1 cupcakes…
8
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how many significant figures are in this number ? 96
2
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jonas has been selling shirts in the art on the rocks area at the festi…
(1000, 8000) and (10000, 8000) The solutions are the break - even points. At these quantities, Jonas's revenue equals his cost (he makes no profit and no loss). 600 shirts. The pr…
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how many significant figures are in this number ? 678.02400
8
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0.44 + 2.22 + 4.1
6.76
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benji rode his bike from one city to another city over the course of 4 …
\( b \div 4 = 39.2 \) (So the boxes should be filled with \( b \), \( 4 \), and \( 39.2 \) respectively)
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i want 8 speedy and one fourth as many earthy.
The number of Earthy is 2.
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score on last try: 1 of 2 pts. see details for more. at least one score…
\( 1.014 \)
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henry needs to memorize words on a vocabulary list for german class. he…
48
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im trying to cut down on how many cupcakes i buy. two weeks ago i bough…
To continue the pattern (decreasing by 3 each week), this week (week 4) you should buy 6 cupcakes, next week (week 5) 3 cupcakes, and the week after 0 cupcakes. For the immediate …
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janice went to the store. she bought 2 4/5 pounds of kettle corn. how m…
\(\$8.4\) (or \(\$8\frac{2}{5}\))
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what is the total cost for 2 9/10 pounds of vine - ripened tomatoes? vi…
\(17.4\)
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word problems (show your work) 1. 1/2 pound of birdseed is shared equal…
$\frac{1}{6}$ pound
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a total of 445 tickets were sold for the school play. they were either …
250
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a jug contains 3½ cups of juice. one serving is ½ cup. how many whole s…
7
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a class collected 142 stickers. they divided the stickers equally among…
Assuming a possible typo and per - student stickers as 14 (or if we consider the problem as is, there is an error, but if we proceed with 140/14), the number of students is 10. Bu…
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a certain medicine is given in an amount proportional to a patients bod…
182
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a class collected 142 stickers. they divided the stickers equally among…
The number of students is \(\frac{140}{15} = \frac{28}{3} \approx 9.33\), but since the number of students must be an integer, there is likely a typo in the problem. However, foll…
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a company needs 3,472 liters of paint for a large project. paint comes …
232 (corresponding to the option with 232)
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a company needs 3,472 liters of paint for a large project. paint comes …
232
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harry and marv buy a turkey submarine sandwich to share. they each eat …
$\frac{1}{2}$
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own belt ollowing question. use the table to answer the following quest…
20%
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what was the amount jacob saved per month if he saved the same amount e…
The amount Jacob saved per month is $82.19.
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a sailboat captain is mapping a trip and wants to know the distance the…
The speed of the sailboat is \( 15 \) miles per hour.
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at $1.25 per dozen how many whole dozens of eggs can be bought for $6.0…
4
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5. an internet provider charges an equipment fee when installed and the…
The second company has a higher monthly payment, and it is \(\$5.5\) more.
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which is not matched correctly? -itis means inflammation -megaly means …
-dynia means surgical repair
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write explain why anyone would want to use scientific notation. multipl…
Scientific notation is used to concisely represent very large or very small numbers, simplify calculations/comparisons, and is standard in scientific/technical fields. ### Second …
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caleb has a bag that contains orange chews, cherry chews, and peach che…
0.15
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what is the difference between two samples that are dependent and two s…
- Two samples are dependent when each member of one sample corresponds to a member of the other sample. One example is measuring the weight of 20 people before and after a diet (t…
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write explain how to recognize if a number is in scientific notation. w…
A number is in scientific notation if it is written as \( a\times10^{n} \), where \( 1\leq|a|\lt10 \) ( \( a \) has one non - zero digit before the decimal) and \( n \) is an inte…
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what is the difference between two samples that are dependent and two s…
each member of one sample corresponds to a member of the other sample.
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jamal is draining his pool for the winter. - after 30 minutes, there ar…
Derek's pool is draining at a slower rate by 5 gallons per minute.
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3. cristian is saving money to buy a new computer. he saves the same am…
The computer costs \$800.
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i neer was struck before that hour with love so sudden and so sweet, he…
A. It shows that the speaker is deeply affected by their feelings for the woman.
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how do you write 0.8overline{3} as a fraction? options: (\frac{10}{11})…
\(\frac{5}{6}\) (the third option, C. \(\frac{5}{6}\) if we consider options as A. \(\frac{10}{11}\), B. \(\frac{7}{10}\), C. \(\frac{5}{6}\), D. \(\frac{2}{3}\))
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to construct a confidence interval for the difference between two popul…
\( \$14408 < \mu_1 - \mu_2 < \$22192 \) (rounded to nearest dollar)
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individual rights vocabulary practice key vocabulary prosecutor precinc…
1. establishment clause 2. unconstitutional 3. exclusionary rule 4. civil disobedience 5. trial jury 6. prosecutor 7. plea bargain 8. primary election 9. precinct 10. closed prima…
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1. the total amount, in dollars, vincent spent over the past nine days …
\( y = 8x + 4 \) (the first option)
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solution 4 anders adds 8.84 and 62.5, but he makes an error in his work…
Anders' mistake was not aligning the decimal points (or place values) correctly when adding. The correct addition is \(8.84 + 62.5 = 71.34\) (shown by aligning decimals: \(\begin{…
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is the difference between the mean annual salaries of entry level archi…
\(0.000\)
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vocabulary practice true or false decide whether each statement below i…
1. F 2. F 3. T 4. F 5. F 6. T 7. T 8. F 9. F 10. T
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is the difference between the mean annual salaries of entry level archi…
\(z\approx - 4.20\)
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3 evaluate the expression $4^2 - d$ when $d = 3.643$. show your work. s…
\(12.357\)
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14 the total width of five rows of a vegetable garden is 12.75 feet. wh…
The width of each row is 2.55 feet.
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6 read the following sentences from the text \the name 5 pointz describ…
A. become recognizable and famous
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is the difference between the mean annual salaries of statisticians in …
C. Reject \(H_0\). At the 10% significance level, there is sufficient evidence to support the claim that the difference between the mean annual salaries is more than \$6000.
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e. compare. use <, >, or =. \\(\\frac{4.56 \\times 10^9}{3 \\times 10^5…
\(>\)