Distribution

+ -/5.26 points BBBasicStat8Acc 7.5.010.MI. Consider an x distribution with standard deviation o = 20. (For each answer, enter an exact number.) (a) If specifications for a research project require the standard error of the corresponding x distribution to be 4, how large does the sample size need to be? n = (b) If specifications for a research project require the standard error of the corresponding x distribution to be 1, how large does the sample size need to be? n =