Find the P-value for the indicated hypothesis test.
-Find the P-value for a test of the claim that less than 50% of the people following a particular diet will experience increased energy. Of 100 randomly selected subjects who followed the diet, 47 noticed an increase in their energy level.
A) 0.7257
B) 0.5486
C) 0.2257
D) 0.2743

Question

Quizplus · Accepted Answer

The test is a left-tailed test for a proportion. The sample proportion is 0.47, and the null hypothesis proportion is 0.50. Using a standard normal distribution, the P-value is calculated as 0.2743.

Find the P-Value for the Indicated Hypothesis Test