Assuming that the null hypothesis H0: = 0 is true, answer the following questions. a. Why

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Assuming that the null hypothesis H0: η = η0 is true, answer the following questions.
a. Why is the probability of an observation exceeding η0 equal to 0.5?
b. In a simple random sample of size n, why does the number of observations that exceed η0 have a binomial distribution with parameters n and 0.5?
Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...
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