a) Construct a 99% confidence interval for the true mean length of all Hollywood movies in the last 10 years. Round the answers to at least one decimal place.A 99% confidence interval for the true mean length of all Hollywood movies made in the last 10 years is <<μ.

Let's go to the movies: A random sample of 42 Hollywood movies made in the last 10 years had a mean length of 110.2 minutes, with a standard deviation of 12.3 minutes.Part: 0 / 20 of 2 Parts CompletePart 1 of 2(a) Construct a 90% confidence interval for the true mean length of all Hollywood movies in the last 10 years. Round the answers to at least one decimal place.A 90% confidence interval for the true mean length of all Hollywood movies made in the last 10 years is <<μ.

The 99% confidence interval to estimate the mean number of hours per week people watch Netflix is (20.5, 24.3). What value must be in the interval?

Determine the 99% confidence interval for the population mean. (Round your answers to 3 decimal places.)

Use the following information to answer the question. The mean age of lead actresses from the top ten grossing movies of 2010 was 29.6 years with a standard deviation of 6.35 years. Assume the distribution of the actresses' ages is approximately unimodal and symmetric Between what two values would you expect to find about 68% of the lead actresses ages?

Each of 5 students reported the number of movies they saw in the past year. This is what they reported.9, 15, 17, 13, 6Find the mean and median number of movies that the students saw.If necessary, round your answers to the nearest tenth.