Consider anxdistributionwith standard deviation=20. (For each answer, enter an exact number.)

(a) If specifications for a research project require the standard error of the correspondingdistributionto be4, how large does the sample size need to be? n= (b) If specifications for a research project require the standard error of the correspondingdistributionto be 1, how large does the sample size need to be? n=