) A large University study found that many high school students join an extracurricular activity. The researchers surveyed a random sample of 5500 high school students nationwide; 68% of them said they had joined at least one extracurricular activity. a) Create a 90% confidence interval for the proportion of high school students who have joined at least one extracurricular activity. Use your calculator to create this interval. Do not do the calculations by hand (1 point). b) Interpret your interval from part a . Would a 95% confidence interval be wider or narrower? Explain

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Q: f n=450 and X = 360, construct a 99% confidence interval.

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Q: In a sample of 460 adults, 262 had children. Construct a 95% confidence interval for the true…

A: Provided information: Total number of adults = 460 and 262 had children 95% confidence level

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A: Given data,n=700x=167Point estimate isp=xn=167700=0.2386Construct a 99% confidence interval?

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A: Given,sample size(n)=14795no.of people who said yes=2219no.of people who said no =12576

Q: one with a 95% confidence level and the other with a 99.7% confidence level. Which interval is…

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Q: D) The probability of surviving 2 years after being diagnosed with a slow-progressing form of…

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Q: was the percentage of adults who used social media five years ago. Of the 2703 people who responded…

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Q: You recently sent out a survey to determine if the percentage of adults who use social media has…

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