The CEO of a software company is committed to expanding the proportion of highly qualified women in the organization's staff of salespersons.

The CEO of a software company is committed to expanding the proportion of highly qualified women in the organization's staff of salespersons. He believes that the proportion of women in similar sales positions across the country is less than 45%. Hoping to find support for his belief, he directs you to test 

H0: p   .45 vs H1: p < .45. 

In doing so, you collect a random sample of 50 salespersons employed by his company, which is thought to be representative of sales staffs of competing organizations in the industry. The collected random sample of size 50 showed that only 18 were women. 

What is the smallest level of significance at which you could reject the null in favor of the alternative hypothe