Assessment_Statistics and Probability SHS_Binomial Distribution

Question 1

a free-throw shooter has a 70% success rate, what is "p"?

Accepted Answer

0.7

Question 2

Which is NOT a requirement of a binomial experiment?

Accepted Answer

Changing probabilities per trial

Question 3

You use the binomial distribution to find the probability of getting 3 heads in 10 coin flips?

Accepted Answer

True

Question 4

The shape of a binomial distribution graph depends on...?

Accepted Answer

Number of Trials and value of P

Question 5

What is the variance of a binomial distribution with n = 8 and p = 0.25?

Accepted Answer

1.5

Question 6

Which scenario is NOT binomial?

Accepted Answer

Drawing cards without replacement

Question 7

In the binomial formula, what does C(n, x) mean?

Accepted Answer

Ways to choose x successes

Question 8

What does 'n' represent in a binomial distribution?

Accepted Answer

Number of trials

Question 9

The probability of failure changes every trial in a binomial setting.

Accepted Answer

False

Question 10

A coin is flipped 4 times. What's the probability of getting exactly 2 heads?

Accepted Answer

Use binomial with n = 4, p = 0.5

Question 11

The mean of a binomial distribution is found using np.

Accepted Answer

True

Question 12

Which scenario is NOT binomial?

Accepted Answer

Picking colored balls from a bag without replacement

Question 13

Standard deviation is calculated using np(1−p).

Accepted Answer

False

Question 14

Which of the following keeps constant in a binomial experiment?

Accepted Answer

Probability of success

Question 15

A binomial experiment always has exactly two outcomes per trial.

Accepted Answer

True

Question 16

What is the mean of a binomial distribution with n = 6 and p = 0.5?

Accepted Answer

3

Question 17

A player has a 60% success rate. If she shoots 5 times, what can we calculate using binomial?

Accepted Answer

Both A and B

Question 18

In a binomial experiment, trials must be dependent.

Accepted Answer

False

Question 19

You can use the binomial distribution for a survey with “Yes” or “No” answers.

Accepted Answer

True

Question 20

The binomial distribution is based on...?

Accepted Answer

Bernoulli trials

Questions 20