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.)

I want to estimate the average time it takes a tomato plant to bear fruit. I randomly sample 7 tomato plants and get an average of 91 days. Assume 𝜎=12 days. Find a 99% confidence interval for the true average time to grow a tomato.Use 1 decimal place.

A group of statistics students decided to conduct a survey at their university to find the average (mean) amount of time students spent studying per week. Assuming a population standard deviation of twenty three hours, what is the required sample size if the error should be less than three hours with a 95% level of confidence?

Netflix is considering a new romcom (romantic comedy) series. Before making a final decision, the producers design an experiment to estimate the proportion of viewers who would watch the series. A random sample of 1,080 viewers was selected and asked to watch the first two episodes. After viewing the episodes, 675 viewers indicated they would watch the new series. (Use t Distribution Table & z Distribution Table.) (Round your answers to 3 decimal places.)Required:a. Estimate the value of the population proportion of people who would watch the new series.b. Develop a 99% confidence interval for the population proportion of people who would watch the new series.

In a survey of 500 college students, 250 of them said they had stayed up late more than 10 times in the past year. A 95% confidence interval is constructed based on the percentage of college students in this sample who stay up late more than 10 times. What is the lower limit for the interval? (round the answer to two decimal places)