Suppose that the average number of Facebook friends users have is normally distributed with a mean of 129 and a standard deviation of about 53. Assume forty-four individuals are randomly chosen. Answer the following questions. Round all answers to 4 decimal places where possible. What is the distribution of ¯xx¯? ¯xx¯ ~ N(,) For the group of 44, find the probability that the average number of friends is less than 119.  Find the first quartile for the average number of Facebook friends.

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Q: Suppose that the average number of Facebook friends users have is normally distributed with a mean…

A: Given that, Mean=130      Standard deviation=59 Here in the option b they mentioned that group =17.

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A: Given Data Population Mean,μ = 0.0 Population Standard Deviation,σ = 1.0

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A: Given that μ=142σ=13n=49

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Q: Assume that the readings at freezing on a bundle of thermometers are normally distributed with a…

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