Question

AP statistics... Was wondering if someone could review my homework answers. Thanks!

Answer 1

1) D
2) A

Answer 2

@ganeshie8 was wondering if u could review my homework answers..

Answer 3

@Preetha

Answer 4

this is a valid probability distribution since the probabilities add up to 1
1) expected value (mu) is equal to sum x * P(x)

4*1/3 + 3*1/12 + 2*7/12 = 2.75

Answer 5

the variance should be .92

Answer 6

@perl