6.3 Cumulative probabilities

Question 1

What is a cumulative probability function?

Answer 1

» For a random variable X tells you the sum of all the individual probabilites up to and including the given value of x for P(X <= x)

Question 2

How can you use the binomial CD function on your calculator?

Answer 2

» MENU
» DISTRIBUTION - 7
» SCROLL DOWN BINOMIAL CD

Question 3

What is the general form of P(X<=R)

Answer 3

» P(X<=R)

Question 4

What is the general form of P(X<R)?

Answer 4

» P(X<=R-1)

Question 5

General form of X>5?

Answer 5

» 1- P(X<=5)

Question 6

General form of no more than 3, X<=3?

Answer 6

» P(X<=3)

Question 7

General form of at least 7, X>=7?

Answer 7

» 1 - P(X<=6)

Question 8

General form of fewer then 10, X<10?

Answer 8

» p(X<=9)