stat

1611016Discussion-2_STAT-101

A research conducted by the University of Michigan claimed that there are more female drivers in the USA than male drivers. A researcher decides to test this claim on his state. In his simple random sample of 400 observations, he noticed that 210 of 400 were women. At α = 0.05, is there enough evidence to support the claim?

Hint: Null and alternative hypotheses are   ;  

(Use the critical value method where the critical value of z for 0.05 significance level is 1.645 )