AFM Unit 8 Probability

Basic Probability

100

A bag contains 7 blue marbles, 3 green marbles, and 5 yellow marbles.  Suppose you draw two marbles at random.  The probability that you draw a blue marble, then a green marble with replacement.

What is 2/3? 

200

A bag contains 7 blue marbles, 3 green marbles, and 5 yellow marbles.  Suppose you draw two marbles at random.  The probability that you draw a blue marble, then a green marble without replacement.

What is 143/210 or 68%? 

300

You have a standard deck or cards. The probability of drawing a King or Queen

What is 2/13 or 15.4%

400

You have a standard deck of cards. The probability of selecting a Jack or a Heart 

What is 4/13 or 30.8%

500

There are 6 nickels, 2 dimes and 5 quarters in a purse. Three coins are selected in succession. The probability of selecting a nickel, then a nickel, then a nickel is no replacement occurs

What is 10/143 or 7%?

Binomial Experiments

100

If a coin is tossed 6 times, the probability of exactly 3 tails 

What is 5/16? 

200

Find the probability if a coin is tossed 6 times at least 4 are heads 

What is 11/32

300

When Chase and Tyler play a certain board game, the probability that Chase will win a is 3/4. If they play 5 games the probability that Tyler wins once

What is 405/1024 or 40%

400

When Chase and Tyler play a certain board game, the probability that Chase will win a is 3/4. If they play 5 games the probability that Tyler wins at least 3 games

What is 45/512 or 8.8%

500

AAA reported that 73% of Americans use seat belts. In a random selection of 10 americans, the probability that exactly half of them use seat belts 

What is about 7.5%

Experimental

100

A six sided dice was rolled. Use the experiment to state the probability of rolling a 3. 

1      16

2      20

3      22

4      10 

5      18

6      14

What is 22/100?

200

A six sided dice was rolled. Use the experiment to state the probability of rolling a number less than 3

1      16

2      20

3      22

4      10 

5      18

6      14

What is 36/100?

300

A six sided dice was rolled. Use the experiment to state the probability of rolling a 3 or a 5. 

1      16

2      20

3      22

4      10 

5      18

6      14

what is 40/100?

400

A six sided dice was rolled. The theoretical probability of rolling what number is closest the experimental  

1      16

2      20

3      22

4      10 

5      18

6      14

What is 1?

500

A six sided dice was rolled. Use the experiment to state the probability of rolling an prime number

1      16

2      20

3      22

4      10 

5      18

6      14

What is 76/100?

Discrete random variables

100

1. Below is a probability distribution for the number of math failures of EGH students.

X	0	1	2	3	4
P(X)	.41	.38		.08	.02

The probability of 2 

what is .11

200

1. Below is a probability distribution for the number of math failures of MHS students.

X	0	1	2	3	4
P(X)	.41	.38	.11	.08	.02

The expected value(mean) is 

What is .92? 

300

1. Below is a probability distribution for the number of math failures of MHS students.

X	0	1	2	3	4
P(X)	.41	.38	.11	.08	.02

The variance is

What is 1.0136

400

1. Below is a probability distribution for the number of math failures of MHS students.

X	0	1	2	3	4
P(X)	.41	.38	.11	.08	.02

The standard deviation is 

What is 1.0068?

500

Random variable X has the following probability function:

x	0	1	2	3
P(X = x)	0.1	0.2	0.4	0.3

What is the standard deviation 

What is .94?

Random

100

The college Ms Rodriguez went to 

What is UNCC

200

Find the value of 3 + 3 X 3 - 3 / 3 -3 

What is 8 

300

What is the y-intercept of the line y= 5x-2

What is -2?

400

How many cubic feet of dirt is in a hole with dimensions 1 ft by 1 ft by 1ft 

What is 0

500

Ms Rodriguez's home town

What is Red Bluff, CA