Q4Assume the time (in hours) spent on watching TV every day is approximately normal. The mean time is 2 hours, the standard deviation is 0.5 hours. 1. Randomly select one individual, find the probability that the time he/she spends on watching TV is more than 2.5 hours every day. 2.Randomly select 15 individuals, find the probability exactly 3 individuals who spend more than 2.5 hours on watching TV every day. 3. Assume random sample with sample size of 16, find the probability that the sample mean time spent on watching TV is less than 1.8 hours.

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Q: Find the probability that a randomly selected year of rain in Sydney, Australia has a yearly…

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Q: The annual per capita consumption of bottled water was 30.3 gallons. Assume that the per capita…

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Q: The annual per capita consumption of bottled water was 33.6 gallons. Assume that the per capita…

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Q: The Real Estate Group NY reports that the mean monthly rent for a one-bedroom apartment without a…

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.