If H 0 : = 200 is to be tested against H 1 : <

Question:

If H₀: μ = 200 is to be tested against H₁: μ < 200 at the α = 0.10 level of significance based on a random sample of size n from a normal distribution where σ = 15.0, what is the smallest value for n that will make the power equal to at least 0.75 when μ=197?

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...