Question: Question 5: According to research, the typical TikTok user spends 316 hours per year using the app. Hitesh Makhija is a big TikTok fan, and

Question 5: According to research, the typical TikTok user spends 316 hours per year using the app. Hitesh Makhija is a big TikTok fan, and he uses the app whenever he has some free time. Assume the number of hours spent in TikTok follows a normal probability distribution with a standard deviation of 11.5 hours. If Hitesh is in the top 9% in terms of time spent on TikTok, how many hours did he spend in TikTok last year? [3 Marks] Question 6: A population consists of the following five values: 25, 25, 28, 29, and 33. a. List all samples of size 3 and compute the mean of each sample. [2 marks] b. Compute the mean of the distribution of sample means and the population mean. Compare the two values. [2 marks] Question 7: "There is not just one normal probability distribution but a family of them” – Explain. [1 Mark] Page 1 of 1

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