Assume that the normal distribution applies and find the critical z value(s).
A = 0.04; H1 is mean ≠ 98.6 degrees Fahrenheit. Dteremine the value of Z.
Find the value of the test statistic z using z = proportion-p
Divided by
√pq
Divided by
N
The claim is that the proportion of peas with yellow pods is equal to 0.25 (or 25%). The sample statistics from one experiment include 400 peas with 96 of them having yellow pods.
Z = _______ (Round to two decimal places as needed)