A random sample of 35 commercials made since the year 2010 has an average of 25.5 seconds with a standarddeviation of 7.1 seconds. What is the margin of error that corresponds to a 99% confidence interval for theaverage length of all commercials made since 2010?3.2743.2643.0923.269None of the aboveThe correct interpretation of the confidence interval is that we are 99% confident that the interval containstheSelect an answerlength of commercials made since the year 2010.A similar study was conducted and found an interval of (21.4, 26.1). Can we claim the average length of allcommercials made since 2010 is at least 21.7?YesNoO Not enough information to determine thisBeyond representative sampling, what assumptions are needed to satisfy the requirements for this problem?X ~ normal and n > 30X ~ binomial and at least 5 successes and failuresX ~ binomial, np 2 5 and ng 2 5X ~ normal or n > 30 A random sample of 35 commercials made since the year 2010 has an average of 25.5 seconds with a standarddeviation of 7.1 seconds. What is the margin of error that corresponds to a 99% confidence interval for theaverage length of all commercials made since 2010?3.2743.2643.0923.269None of the aboveThe correct interpretation of the confidence interval is that we are 99% confident that the interval containslength of commercials made since the year 2010.th v Select an answeractual meansample meanactual proportionlucted and found an interval of (21.4, 26.1). Can we claim the average length of all2010 is at least 21.7?COsample proportionNoO Not enough information to determine thisBeyond representative sampling, what assumptions are needed to satisfy the requirements for this problem?OX~ normal and n > 30X~ binomial and at least 5 successes and failuresX~ binomial, np > 5 and ną > 5~ normal or n > 30

Name: A random sample of 35 commercials made since the year 2010 has an ave
Uploaded: 2024-03-20T07:07:12.000Z
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Description: A random sample of 35 commercials made since the year 2010 has an average of 25.5 seconds with a standarddeviation of 7.1 seconds. What is the margin of error that corresponds to a 99% confidence interval for theaverage length of all commercials mad