Question

1. A quarterback for the Seattle Seahawks completes 54% of his passes. Let the random variable
X be the number of passes completed in 20 attempts.
a) What is the probability that the quarterback throws three passes before he gets his first
completion (on his fourth attempt)?
b) How many passes should the quarterback expect to make before he gets his first
completion?
c) What is the probability that he has to throw more than five passes to get his first
completion?

Answer 1

e

Answer 2

e

Answer 3

e

Answer 4

e

Answer 5

e

Answer 6

e

Answer 7

e

Answer 8

e

Answer 9

e

Answer 10

e

Answer 11

e

Answer 12

e

Answer 13

e

Answer 14

e

Answer 15

e

Answer 16

e

Answer 17

e

Answer 18

e

Answer 19

e

Answer 20

e

Answer 21

e

Answer 22

e

Answer 23

e

Answer 24

e

Answer 25

e