tuttlebaby
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- Apr 15, 2018
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I can’t figure out this statistics problem. I have an exam tomorrow and really need to pass it. Can someone please help? A random sample of 35 Hollywood movies made since the year 2010 had a mean run time of 120.8 minutes with a standard deviation of 20.6 minutes.
a.) What is the best point estimate of the mean run time of Hollywood movies made since 2010?
Answer
b.) How many degrees of freedom will be used for the given sample size?
Answer
c.) What is the positive critical value that corresponds to a 71% confidence level? (round answer to the nearest hundredth)
Answer
d.) What is the 71% confidence interval estimate of the mean run time of Hollywood movies made since the year 2010? (round values to two decimal places)
Answer < μ < Answer
e.) Calculate the margin of error for a 71% confidence interval. (round to two decimal places)
E = Answer
a.) What is the best point estimate of the mean run time of Hollywood movies made since 2010?
Answer
b.) How many degrees of freedom will be used for the given sample size?
Answer
c.) What is the positive critical value that corresponds to a 71% confidence level? (round answer to the nearest hundredth)
Answer
d.) What is the 71% confidence interval estimate of the mean run time of Hollywood movies made since the year 2010? (round values to two decimal places)
Answer < μ < Answer
e.) Calculate the margin of error for a 71% confidence interval. (round to two decimal places)
E = Answer
