Binomial And Geometric Distributions

Question 1

P(X< or equal to 7)

Answer 1

Read directly

Question 2

P(X<7)

Answer 2

P(X< or equal to 6)

Question 3

P(X=7)

Answer 3

P(X< or equal to 7) - P(X< or equal to 6)

Question 4

P(X>or equal to 7)

Answer 4

1 - P(X< or equal to 6)

Question 5

P(X>7)

Answer 5

1 - P(X< or equal to 7)

Question 6

E(X) for binomial distribution?

Answer 6

np

Question 7

Variance for binomial distribution?

Answer 7

npq

Question 8

Expectation for geometric distribution?

Answer 8

1/p