Question: To test Ho ???? = 46 against the alternative hypothesis Ha ???? > 46, a random sample of 24 is taken. The critical region is

To test Ho∶ ???? = 46 against the alternative hypothesis Ha∶ ???? > 46, a random sample of 24 is taken. The critical region is X > 51.7.

(a) Find ????.

(b) Find ???? for the alternative ???? = 48.

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