Mat 201 Module 1

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MAT 201

Module 1 – Case Assignment

Dr. Alfred Basta

Mat 201
Module 1-Case Assignment
Thomas J. Cobb

1. Suppose you have 4 nickels, 6 dimes, and 4 quarters in your pocket.  If you draw a coin randomly from your pocket, what is the probability that:

a. You will draw a nickel? The probability of someone drawing a dime would be 4/11 or 36%.

b. You will draw a dime? The probability of some drawing a nickel would be 6/11 or 54%

c. You will draw a quarter? The probability of someone drawing a quarter would be 4/11 or 36%

2. You are rolling a pair of dice, one red and one green. What is the probability of the following outcomes:

a. The sum of the two numbers you roll from the dice is 11. There are 2 possible outcomes. 5,6/6,5

b. The sum of the two numbers you roll is 6. There are 5 possible outcomes. 1,5/5,1/ 3,3/4,2/2,4

c. The sum of the two numbers you roll is 5. There are 4 possible outcomes. 1,4/4,1 /3,2/2,3

3. A glass jar contains 6 red, 5 green, 8 blue, and 3 yellow marbles. If a single marble is chosen at random from the jar, what is the probability of choosing a red marble? a green marble? a blue marble? a yellow marble?

a. The red marble would have a 6/22 or 27% chance of being drawn.

b. The green marble would have a 5/22 or 23% chance of being drawn.

c. The blue marble would have an 8/22 or 36% chance of being drawn.

d. The yellow marble would have a 3/22 or 14% chance of being drawn.
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