Unit 8 Review - Probability

Suppose a number cube is rolled twice. What is the probability that an odd number will show both times?

• 1/3
• 1/2
• 1/6
• 1/4

What is the probability of tossing a coin four times and getting tails each time?

• 1/16
• 1/8
• 1/2
• 1/4

A coin is tossed and a number cube is rolled. Find the probability,  P(heads and 7).

• 1/14
• 1/2
• 0
• 1/7

Ten cards numbered 1-10 are placed in a hat. What is the probability of randomly drawing a card with an even number then a card with a number greater than or equal to five if the first card is replaced?

• 1/4
• 2/3
• 3/10
• 3/5

In a box there are 3 red pens, 2 green pens, and 1 blue pen. What is the probability of picking a red pen, not replacing it, and then picking a blue pen?

• 1/2
• 4/11
• 1/10
• 2/3

A marble bag contains 3 red marbles, 4 gray marbles, 6 white marbles, and 5 black marbles. What is the probability of randomly drawing a red marble and then a gray marble if the first marble is replaced?

• 1/9
• 1/27
• 1/6
• 2/9

What is the probability that a student does play a sport given they do not play an instrument?

• .78

• .22

• .10

• .5

Consider the following table with information about all of the students taking Statistics at Happy High School.

Find P( Male given Full Time)

• 7/3

• 3/10

• 3/7

• 4/7

Consider the following table with information about all of the students taking Statistics at Happy High School.

Find P(Part Time given Female) =

• 15/31

• 43/71

• 31/43

• 15/43

What is the probability that the person picked will be a boy given they speak german? 

• .7273
• .4
• .16
• .22