Please help me these questions. Thank you

I Question 5 E DMD pts '0 2 9?: (D Details A leading magazine [like Barron's] reported at one time that the average number of weeks an individual is unemployed is 19 weeks. Assume that for the population of all unemployed individuals the population mean length of unemployment is 19 weeks and that the population standard deviation is 3.9 weeks. Suppose you would like to select a random sample of 8D unemployed individuals for a followup study. Find the probability that a single randomly selected value is greater than 19.?. PH >19.?}=| |{Enter your answers as numbers accurate to 4 decimal places.) Find the probability that a sample of size n = 80 is randomly selected with a mean greater than 19.1 PiM 1* 19.?) =| lIIEnter your answers as numbers accurate to 4 decimal places.) [:1 Calculator Submit Question Question 7 0/10 pts O 2 2 99 0 Details Business Weekly conducted a survey of graduates from 30 top MBA programs. On the basis of the survey, assume the mean annual salary for graduates 10 years after graduation is 126000 dollars. Assume the standard deviation is 36000 dollars. Suppose you take a simple random sample of 70 graduates. Find the probability that a single randomly selected policy has a mean value between 132024 and 135035.9 dollars. P(132024