This is the left tailed test .
= x / n = 87 / 150 = 0.58
P0 = 0.65
1 - P0 = 0.35
nP0(1 - P0) 10
150 * 0.65 (0.35) 10
34.125 10
Yes
Test statistic = z
= [ - P0] / [P0 * (1 - P0 ) / n]
= [0.58 - 0.65] / [(0.65 * 0.35) / 150]
= -1.795
P(z < -1.795) = 0.0363
P-value = 0.0363
= 0.05
P-value >
We can reject the null hypothesis. Because the P-value is less than .
Test the hypothesis using the P-value approach. Be sure to verify the requirements of the test....
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