Question

A researcher is studying whether male is more likely to successfully communicate an automobile problem to the auto repairman than female. In his/her sample, one hundred women were polled and 60 reported successfully communicating an automobile problem to the auto repairman; 150 men had 95 reporting the same success. What is the test statistic? (Choose a closest answer)

Select one:

a. 0.004

b. 0.236

c. 0.532

d. 0.063

b. what is the hypotheses?

Answer 1

Solution :(a)

(b)

Test statistics = 0.532

This is the right tailed test .

The null and alternative hypothesis is ,

H₀ : P₁ = P₂

H_a : P₁ > P₂