A sports analyst claimed that worldwide, soccer is the most popular sport. An independent study selects a random sample of 500 adults from around the globe and asks each person, "What is your favorite sport?". They find that 246 of the respondents prefer soccer. Then, they compute a 90% confidence interval for the true proportion of all adults that prefer soccer as their favorite sport. Which of the following steps, if any, contain an error? Plan: One-sample z interval for p. Random? Random sample of 500 adults. Yes! Large Counts? 246 ≥ 10and254 > 10. Yes! None of the steps contain an error. Conclude: We are 90% confident that the interval from 0.455 to 0.529 captures the proportion of all Adults who prefer soccer as their favorite sport. State: We want to estimate p = the proportion of all adults who prefer soccer as their favorite sport at a 90% confidence level. Do: (0.455, 0.529)

MATLAB: An Introduction with Applications
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A sports analyst claimed that worldwide, soccer is the most popular sport. An independent study selects a random sample of 500
adults from around the globe and asks each person, "What is your favorite sport?". They find that 246 of the respondents prefer
soccer. Then, they compute a 90% confidence interval for the true proportion of all adults that prefer soccer as their favorite
sport.
Which of the following steps, if any, contain an error?
Plan: One-sample z interval for p. Random? Random sample of 500 adults. Yes! Large Counts? 246 ≥ 10and254 ≥ 10.
Yes!
None of the steps contain an error.
Conclude: We are 90% confident that the interval from 0.455 to 0.529 captures the proportion of all Adults who prefer
soccer as their favorite sport.
State: We want to estimate
P
the proportion of all adults who prefer soccer as their favorite sport at a 90% confidence level.
Do: (0.455, 0.529)
=
Transcribed Image Text:A sports analyst claimed that worldwide, soccer is the most popular sport. An independent study selects a random sample of 500 adults from around the globe and asks each person, "What is your favorite sport?". They find that 246 of the respondents prefer soccer. Then, they compute a 90% confidence interval for the true proportion of all adults that prefer soccer as their favorite sport. Which of the following steps, if any, contain an error? Plan: One-sample z interval for p. Random? Random sample of 500 adults. Yes! Large Counts? 246 ≥ 10and254 ≥ 10. Yes! None of the steps contain an error. Conclude: We are 90% confident that the interval from 0.455 to 0.529 captures the proportion of all Adults who prefer soccer as their favorite sport. State: We want to estimate P the proportion of all adults who prefer soccer as their favorite sport at a 90% confidence level. Do: (0.455, 0.529) =
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