(a) n = 40,p = 0.4; (b) n = 50,p = 0.2; (c) n = 80,p = 0.1. NOTE: Please explain each part, so the problem can be used as a Study Guide

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A: given data n = 19x¯ =58.2σ = 48.995% ci for μ = ?

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A: In this step, we prove the first part of the problem.

Q: Test Ho:u= 4 vs Ha: u 4 using the sample results = 4.8, s = 2.3, with n = 15.

A: q-6.130n = 15x¯ =4.8s = 2.3 H0 : μ = 4H1 : μ ≠ 4

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A:

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A: Answer: From the given data, mean (μ) = 0 Standard deviation(σ) = 1 X~Normal distribution(μ,σ)

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Q: Assume that the mathematics scores on the SAT are normally distributed with a mean of 500 and a…

A: normally distributed with a mean of  500μ=500 standard deviation of  100σ=100we have to find out…

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A: The data is as follows: 963 1027 1271 1078 1070 1174 1066 1348 1099 1204…

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A: Answer: From the given data, The events E and F are independent P(E) = 0.7 P(F) = 0.8

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