11) a high school has 2000 students. one fourth of them are seniors. only seniors are
allowed to leave campus to go to lunch. the principal, in an effort to reduce after lunch
cuts and tardies, wants to raise the required gpa to 2.7 for seniors who leave for lunch.
she's asked you to conduct a survey of 200 students as to whether they favor this
proposal. facts the researchers don't know: 80% of the seniors oppose this idea. 30% of
underclassmen oppose this idea.
write a simulation like the simulations above for:

Will give brainliest what is the value of x? enter your answer in the box.

Using pert, adam munson was able to determine that the expected project completion time for the construction of a pleasure yacht is 21 months, and the project variance is 4. a) what is the probability that the project will be completed in 17 months? b) what is the probability that the project will be completed in 20 months? c) what is the probability that the project will be completed in 23 months? d) what is the probability that the project will be completed in 25 months? e) what is the due date that yields a 95% chance of completion?

Compute the standard deviation of the following set of data to the nearest whole number. 10, 10, 15, 20, 25