One-Sample Z: Test of mu = 20vs 20 The assumed standard deviation = 0.75 Variable x N 10 Mean 19.889 St Dev ? SE Mean 0.237 Z ? P ? (a) Fill in the

(a) Fill in the missing items. What conclusions would you draw?

(b) Is this a one-sided or a two-sided test?

(c) Use the normal table and the preceding data to construct a 95% two-sided CI on the mean.

(d) What would the P-value be if the alternative hypothesis is H120:μ≠