In a Harris poll of 500 human resource professionals 30 said

In a Harris poll of 500 human resource professionals, 30% said that body piercings and tattoos were big grooming red flags. Use a 0.01 significance level to test the claim that less than 50% of all human resource professionals say that body piercings are big grooming red flags. Answer question 1 to 4 to complete the hypothesis test. 1. which of the following is the hypothesis test to be conducted? (Choose the correct null and alternative hypotheses)

Solution

option a   ia correct

Null Hypothesis   p = 0.5

Alternate Hypothesis p <0.5