Probability Distribution

Question 1

If you want to find the binomial probability of getting more than 3 use

Accepted Answer

1-binomcdf(n,p,3)

Question 2

If I want to find the probability of getting exactly 2 cars, what formula do I use?

Accepted Answer

P(x = 2)

Question 3

Given a random variable X between 0 and 3, if P(0) = .15, P(1) = .2, P(2)= .3, P(3) =?

Accepted Answer

.35

Question 4

Is the following variable discrete or continuous? The cost a your last Starbucks purchase

Accepted Answer

Discrete

Question 5

If I want to find the probability of getting at most 2 cars, what formula would I use?

Accepted Answer

P(x≤2)

Question 6

Is the following variable discrete or continuous? Amount of gasoline needed to go to the beach

Accepted Answer

Continuous

Question 7

If I want to find the probability of getting at least 2 cars, what formula would I use?

Accepted Answer

P(x≥2)

Question 8

If you are finding a binomial probability of exactly equal use

Accepted Answer

binompdf

Question 9

Expected value is the same as the

Accepted Answer

Mean

Question 10

If you want to find the binomial probability of getting at least 3 use

Accepted Answer

1-binomcdf(n,p,2)

Question 11

If you want to find the binomial probability of getting at most 3 use

Accepted Answer

binomcdf(n,p,3)

Question 12

Which is a binomial experiment?

Accepted Answer

Flipping a coin

Question 13

Is the following variable discrete or continuous? The time it takes you to answer this question

Accepted Answer

Continuous

Question 14

Is the following a binomial experiment? Count the number of boys and girls in various classes.

Accepted Answer

not binomial

Question 15

What are the requirement for a probability distribution?

Accepted Answer

numbers must sum to 1, All numbers must be between 0 and 1

Questions 15