Central High School has 750 students enrolled. A class performed a survey in the
school asking a sample of students what
their favorite season is. After completing
the survey, they recorded the proportional
values of the students' responses. Based
on the survey results, how many female
students at Central High School are likely
to choose winter as their favorite season?

Easy points boii. read it. ya. fresh

The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?

Tan198=asin164=? how to solve this? ?