The claim is that the proportion of peas with yellow pods is equal to 0.25 (or 25%). The sample statistics from one experiment

Question

3 years ago

7

include
490

peas with

94

of them having yellow pods. Find the value of the test statistic.

1 answer:

AnnZ [28] · Answer 1 · 2022-05-19T20:09:04+03:00

AnnZ [28]3 years ago

6 0

p = 0.25

q = 1 - p = 0.75

x = 82

n = 400

psample = x/n = 82/400 = 0.205

test statistic, z = (psample - p) / sqrt(pq/n) = (0.205 - 0.25) / sqrt(0.25×0.75/400) = -2.078

The claim is that the proportion of peas with yellow pods is equal to 0.25​ (or 25%). The sample statistics from one experiment