Binomial Distribution or Not!

Determine whether the given procedure results in a binomial distribution.

Question 1(1 point)

Randomly selecting 12 jurors and recording their ethnicity

Question 1 options:

This is a binomial distribution

This is not a binomial distribution because there is more than 2 outcomes

This is not a binomial distribution because the trials are not independent

This is not a binomial distribution because there is not a fixed number of trials

Question 2(1 point)

Surveying 20 jurors and recording whether there is a "no" response when they are asked if they have ever been convicted of a felony

Question 2 options:

This is not a binomial distribution because there is not a fixed number of trials

This is not a binomial distribution because the trials are not independent

This is not a binomial distribution because there is more than 2 outcomes

This is a binomial distribution

Question 3(1 point)

Recording the biological gender of 250 newborn babies.

Question 3 options:

This is not a binomial distribution because there is more than 2 outcomes

This is a binomial distribution

This is not a binomial distribution because the trials are not independent

This is not a binomial distribution because there is not a fixed number of trials

Question 4(1 point)

Roll a fair die and record the number of times that "2" appears

Question 4 options:

This is not a binomial distribution because the trials are not independent

This is not a binomial distribution because there is not a fixed number of trials

This is not a binomial distribution because there is more than 2 outcomes

This is a binomial distribution

Question 5(1 point)

Georgia State Patrol stops 50 cars at random along a stretch of highway and records the number of drivers talking on their cell phones at the time of the stop.

Question 5 options:

This is not a binomial distribution because the trials are not independent

This is a binomial distribution

This is not a binomial distribution because there is not a fixed number of trials

This is not a binomial distribution because there is more than 2 outcomes

Binomial Distribution Scenario 1

A survey finds that 39% of employed adults believe if they lost their job, it would be easy to find another with a similar salary.Suppose a random sample of 8 adults is selected.

Question 6(1 point)

What is the probability that 6 of those adults in the sample believe they could easily find another job?Round answer to three decimal places.

Question 6 options:

0.993

0.115

0.037

0.044

Question 7(1 point)

What is the probability no more than 6 of those adults in the sample believe they could easily find another job?Round answer to three decimal places.

Question 7 options:

0.037

0.044

0.956

0.993

Question 8(1 point)

What is the probability that 0 of those adults in the sample believe they could easily find another job?Round answer to three decimal places.

Question 8 options:

0.098

1.000

0.019

0.981

Question 9(1 point)

What is the probability that at least 1 of those adults in the sample believe they could easily find another job?Round answer to three decimal places.

Question 9 options:

0.981

0.019

0.883

1.000

Question 10(1 point)

What is the mean number of adults in the sample who believe they could easily find another job?

Question 10 options:

3.12

1.38

1.90

0.05

Question 11(1 point)

What is the standard deviation of the number of adults in the sample who believe they could easily find another job?

Question 11 options:

3.12

1.38

0.05

1.90

Binomial Distribution Scenario 2

The probability that the Atlanta Thrashers hockey team will win any given game is 0.3694.An upcoming monthly schedule contains 12 games.

Question 12(1 point)

What is the probability that the Atlanta Thrashers win six games in the upcoming 12 game schedule? Round answer to four decimal places.

Question 12 options:

0.1476

0.7664

0.8903

0.2336

Question 13(1 point)

What is the probability that the Atlanta Thrashers win at least five games in the upcoming 12 game schedule? Round answer to four decimal places.

Question 13 options:

0.2305

0.4734

0.5266

0.3694

Question 14(1 point)

What is the expected number (mean) number of wins that the Atlanta Thrashers will havein the upcoming 12 game schedule?

Question 14 options:

4.43

1.67

0.3663

12