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knanacademy.org Jonate to H... Get ready fo... Kayla is wor... Charles can... whats 2 divi... Khan Academy Donate 둔 week Level 8 streak Quiz 1 Distribute to create an equivalent expression with the fewest symbols possible. 2(3-8y)= ◻

knanacademy.org\newlineJonate to H...\newlineGet ready fo...\newlineKayla is wor...\newlineCharles can...\newlinewhats 22 divi...\newlineKhan Academy\newlineDonate 둔\newlineweek\newlineLevel 88\newlinestreak\newlineQuiz 11\newlineDistribute to create an equivalent expression with the fewest symbols possible.\newline2(3−8y)= 2(3-8 y)= \newline□ \square

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Based on random samples of river heights, oceanographers estimate that 44,800800 cubic kilometers (km3) \left(\mathrm{km}^{3}\right) of freshwater is discharged into the Arctic Ocean annually. The estimate has a margin of error of 240 km3 240 \mathrm{~km}^{3} at the 90% 90 \% confidence level. Which of the following is the most reasonable claim about the volume of freshwater discharged annually into the Arctic Ocean?\newlineChoose 11 answer:\newlineA) It is between 44,800800 and 5,040 km3 5,040 \mathrm{~km}^{3} .\newlineB) It is between 44,560560 and 5,040 km3 5,040 \mathrm{~km}^{3} .\newline(C) It is between 240240 and 4,800 km3 4,800 \mathrm{~km}^{3} .\newline(D) It is between 240240 and 4,320 km3 4,320 \mathrm{~km}^{3} .
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Posted 10 months ago

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A random sample of international flights in 20132013 showed that 79% 79 \% of the flights arrived within 1515 minutes of their scheduled arrival time, and this estimate had a margin of error of 3% 3 \% at a 95% 95 \% confidence level. Which of the following conclusions is best?\newlineChoose 11 answer:\newline(A) Exactly 79% 79 \% arrived within 1515 minutes of their scheduled times.\newline(B) Exactly 76% 76 \% arrived within 1515 minutes of their scheduled times.\newline(C) Between 76% 76 \% and 82% 82 \% arrived within 1515 minutes of their scheduled times.\newline(D) Between 92% 92 \% and 98% 98 \% arrived within 1515 minutes of their scheduled times.
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Posted 10 months ago

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A food reporter conducted a survey to determine whether people in a certain city like the new dessert created by Chef Domenica. The reporter asked 8787 people who were waiting in line outside of Chef Domenica's bakery on a Tuesday, and 99 people refused to respond. Which of the following factors makes it least likely that a reliable conclusion can be drawn about whether people in the city like Chef Domenica's new dessert?\newlineChoose 11 answer:\newline(A) Sample size\newline(B) Population size\newline(C) Where the survey was given\newline(D) The number of people who refused to respond
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Posted 9 months ago

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The members of a city council wanted to know the opinions of all city residents about collaborating with local farms to set up a farmers market in the city square. The council surveyed a sample of 300300 city residents who have purchased produce from local farms. The survey showed that the majority of those sampled were in favor of the farmers market. Which of the following is true about the city council's survey?\newlineChoose 11 answer:\newlineA It shows that the majority of city residents are in favor of the farmers market.\newline(B) The survey sample is biased because it is not representative of all city residents.\newline(c) The survey sample should have included farmers who live outside the city.\newline(D) The survey should have consisted entirely of farmers.
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Posted 9 months ago

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Articles in the American Sociology Review Year\quadTotal number of articles\quadPercent that were quantitative The table summarizes the numbers of articles published in the American Sociology Review in two years. Quantitative articles use numerical data and statistics. How many more quantitative articles were published in the journal in \quad than in \quad? Round to the nearest article.
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Posted 8 months ago

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When Famke charges her phone, it gains 22 percentage points each minute. When Famke uses her phone, it loses 55 percentage points each minute.\newlineOnce, Famke used her phone for some time, and then charged it for twice the amount of time she used it. In the end, her phone lost 1010 percentage points.\newlineHow long did Famke use her phone and how long did she charge it?\newlineChoose 11 answer:\newline(A) There is not enough information to determine the exact time Famke used and charged her phone.\newline(B) The given information describes an impossible situation.\newline(C) Famke used her phone for 1010 minutes, and charged her phone for 2020 minutes.\newline(D) Famke used her phone for 2020 minutes, and charged her phone for 1010 minutes.
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Posted 8 months ago

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We've updated our Cookie Notice. Please review it now.\newlineCourses\newlineSearch\newlineKhan Academy\newlineDonate \newlineC^(**)\newlineknapke.jace\newlineMy assignments\newlineUnit test\newline66th grade\newlineGraph \newlinex≥−5x \geq -5.\newlineCOURSE: 66TH GRADE > UNIT 77\newlineUnit test\newlineUnit test\newlineEquations & inequalities\newline＂ Math ＂ > ＂ 66th grade ＂ > ＂ Equations \& ＂\newline＂ inequalities ＂ > ＂ Unit test ＂\newlineO 20242024 Khan Academy\newlineTerms ofuse PrivacyPolicy Cookie Notice\newlineHide\newlineDrag the circle to values on the number line.\newlineUse the buttons to switch arrow directions and to make the circle open or filled.\newlineReport a problem
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Posted 8 months ago

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It always takes Zach approximately 55 minutes longer to arrive than he says. If Zach says he will arrive in xx minutes, which of the following functions correctly models the approximate number of minutes it actually takes Zach to arrive?
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Posted 8 months ago

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One marketing professional recommends that businesses budget between 12%12\% and 16%16\% of their monthly gross sales for rent. If a business earns $540,000\$540,000 in gross sales per year, how many dollars would the adviser recommend as the maximum budget for rent each month?
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Posted 8 months ago

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A manager at the Mega Raisin Cereal company wants to confirm that there is an acceptable number of raisins in the company's family-sized boxes. He counted the number of raisins in 100100 randomly sampled boxes from the Mega Raisin factory. From the collected data, he computed a 90%90\% confidence interval of for the mean number of raisins in family-sized boxes of Mega Raisin Cereal.\newlineIs the following conclusion valid?\newlineIf 100100 more samples are taken (with elements chosen randomly and independently), it is expected that exactly 100100 of them will each produce a 90%90\% confidence interval that contains its sample mean.\newlineChoices:\newline(A)yes\newline(B)no\newline
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Posted 7 months ago

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