some people think that chemists are more likely than others parents to have female children. The Washington state department of health lists the parents occupations on birth certificates. Between 1980 and 1999, 555 children were born to fathers who were chemists. Of these births, 273 were girls, during this period. 48.8% of all births in Washington state were girls. Is there evidence at a significance level of 0.05 that the proportion of girls born to chemists is higher than the state proportion?

A) what's is the null and alternative hypotheses?

B)what is the mean is the sampling distribution? And standard deviation of the sampling distribution?

C) what is the value of the sample proportion?

D) what's is the test statistic?

E) what is the P-value?

F) do we reject the null of hypothesis?