Stats & Probability Test

What is the probability of flipping a coin, getting tails?

• 1/2

• 1/3

• 1/4

• Never, Tails never fails.

What is the probability of spinning yellow?

• 1/11

• 1/12

• 1/4

• 3/4

Roll dice: 1, 2, 3, 4, 5

What is the probability of rolling a number greater than 2?

• 3/5

• 4/5

• 2/5

• 1/5

A bag contains 30 pieces of candy. There are 15 grape, 7 cherry, 3 lemon, 5 strawberry. What is the probability of drawing a lemon?

*Remember to simplify*

• 3

• 1/10

• 3/10

• 30%

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

• .7273
• .4
• .16
• .22

What is the probability that a student plays on a sports team given they play an instrument?

• .7273

• .8

• .55

• .2222

The probability that a women likes the color blue is 10%. The probability of being a women is 40%. What is the probability that the a women is chose given they liked the color blue? 

• 4
• .4
• .1
• .25

A bag has 3 red marbles, 2 blue and 4 yellow. What is the theoretical probability of pulling a red?

• 3/10
• 3/9
• 1/9
• 1/3

What is the mean?

• The number that occurs the most

• The number in the middle

• The difference between the highest and lowest values

• The Average

Find the mean of these numbers:

2, 57, 38, 42, 6

• 29

• 38

• 50

• 145