# Question

Given a random sample of size n from a normal population with µ = 0, use the Neyman-Pearson lemma to construct the most powerful critical region of size α to test the null hypothesis σ = σ0 against the alternative σ = σ1 > σ0.

## Answer to relevant Questions

Suppose that in Example 12.1 the manufacturer of the new medication feels that the odds are 4 to 1 that with this medication the recovery rate from the disease is 0.90 rather than 0.60. With these odds, what are the ...The number of successes in n trials is to be used to test the null hypothesis that the parameter θ of a binomial population equals 12 against the alternative that it does not equal 12. (a) Find an expression for the ...When we test a simple null hypothesis against a composite alternative, a critical region is said to be unbiased if the corresponding power function takes on its minimum value at the value of the parameter assumed under the ...Suppose that we want to test the null hypothesis that an antipollution device for cars is effective. (a) Explain under what conditions we would commit a type I error and under what conditions we would commit a type II ...A single observation of a random variable having a geometric distribution is used to test the null hypothesis θ = θ0 against the alternative hypothesis θ = θ1 > θ0. If the null hypothesis is rejected if and only if the ...Post your question

0