If a student is chosen at random, find each probability: (In decimal form with a leading zero, round to two decimal places if necessary) a) P(not attending grad school):

b) P(< 3.0 GPA and not attending grad school):

c) P(not attending grad school | ≥ 3.0 GPA):

d) P(< 3.0 GPA | attending grad school):

HELP PLEASE!! ​

Atotal of 766 tickets were sold for the school play. they were either adult tickets or student tickets. there were 66 more student tickets sold than adult tickets. how many adult tickets were sold?

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?

If you were constructing a triangular frame, and you had wood in the length of 4 inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood?