A six-sided fair die is rolled.

What is the probability of rolling a 5? Write your answer as a percent.

Round you answer to the nearest tenth of a percent.

A six-sided fair die is rolled.

What is the probability of rolling an even number?

Write your answer as a percent.

Round you answer to the nearest tenth of a percent.

A six-sided fair die is rolled.

What is the probability of rolling a 1 or a 5? Write your answer as a percent.

Round you answer to the nearest tenth of a percent.

Listed below are the wait times fora groupof customers in a waiting room.

Minutes customers waited for service	No. of customers (Frequencies)
1	1
2	1
3	1
4	5
5	7
6	6
7	1
8	2
9	6
Total

What is the total number of customers in the waiting room?

Round your answer to the nearest whole customer.

Listed below are the wait times for a groupof customers in a waiting room.

Minutes customers waited for service	No. of customers (Frequencies)
1	1
2	4
3	2
4	8
5	8
6	2
7	4
8	4
9	2
Total

If you selected one of the customers at random, what is the probability the customer waited 4 minutes?

Enter you answer as a percentage rounded to the nearest tenth of a percent.

Listed below are the wait times for a groupof customers in a waiting room.

Minutes customers waited for service	No. of customers (Frequencies)
1	1
2	2
3	4
4	4
5	5
6	7
7	9
8	3
9	3
Total

If you select one of the customers at random, what is the probability the customer waited 2 or 3 minutes?

Enter you answer as a percentage rounded to the nearest tenth of a percent.

Listed below are the wait times for a groupof customers in a waiting room.

Minutes customers waited for service	No. of customers (Frequencies)
1	1
2	4
3	6
4	9
5	2
6	2
7	7
8	5
9	4
Total

What is the probability the customer waitedat least 7 minutes?

Enter you answer as a percentage rounded to the nearest tenth of a percent.

The eye color and gender of a sample of people is shown below

	Blue eyes	Brown eyes	Green eyes	Total
Male	127	251	245
Female	172	278	148
Total

Find the probability of choosing a female with blue eyes.

Enter your answer as a percentage rounded to the nearest tenth of a percent.

The eye color and gender of a sample of people is shown below

	Blue eyes	Brown eyes	Green eyes	Total
Male	156	270	266
Female	265	191	283
Total

Find the probability of selecting a male or a person with green eyes..

Enter your answer as a percentage rounded to the nearest tenth of a percent.

The eye color and gender of a sample of people is shown below

	Blue eyes	Brown eyes	Green eyes	Total
Male	207	217	182
Female	187	201	230
Total

Find the probability of choosing a female.

Enter your answer as a percentage rounded to the nearest tenth of a percent.

The eye color and gender of a sample of people is shown below

	Blue eyes	Brown eyes	Green eyes	Total
Male	269	265	236
Female	215	159	111
Total

If a person chosen at random from the sample is male, what is the probability that he will have blue eyes?

Enter your answer as a percentage rounded to the nearest tenth of a percent.

If a person is using drugs, but the drug test says they aren't using drugs, what type of test is this?

Group of answer choices

False Negative

Failed Test

False Positive

Positive Result

Negative Result

Suppose a company has 30,986 employees. The company decides to require drug tests for all employees. For the purposes of this example, suppose that 0.2% of the employees actually use illegal drugs. The drug test has a 96% accuracy rate. Complete the following table and answer the question below.

	Test is positive	Test is negative	Total
Using Drugs
Not Using Drugs
Total			30,986

How many people are using drugs at this company?

Round your answer to the nearest hundredth of a person.

Suppose a company has 26,437 employees. The company decides to require drug tests for all employees. For the purposes of this example, suppose that 2% of the employees actually use illegal drugs. The drug test has a 91% accuracy rate. Complete the following table and answer the question below.

	Test is positive	Test is negative	Total
Using Drugs
Not Using Drugs
Total			26,437

How many positive tests did the company receive total?

Round you answer to the nearest tenthof a test.

Suppose a company has 31,089 employees. The company decides to require drug tests for all employees. For the purposes of this example, suppose that 1% of the employees actually use illegal drugs. The drug test has a 97% accuracy rate. Complete the following table and answer the question below.

	Test is positive	Test is negative	Total
Using Drugs
Not Using Drugs
Total			31,089

If someone tests positive for drugs, what is the probability the person is actually NOTtaking drugs?

Write your answer as a percentage rounded to the nearest tenth of a percent.

Professor Ivy has determined that 70 students cheat on tests. The assessment center has purchased a computer program which claims it can detect cheaters with 97% accuracy. The computer program will give a positive result if it detects cheating and a negative result if it does not. The assessment center uses the computer program on 1,040 students.

	Computer shows positive	Computer shows negative	Total
Cheater
Non-Cheater
Total			1,040

If someone tests negative for cheating, what is the probability the person ACTUALLY cheated?

Write your answers as a percentage rounded to the nearest hundredth of a percent.

DO NOT ROUND ANY NUMBERS UNTIL THE VERY END.