Conditional Probability

What is the probability that a student does not play on a sports team? 

• .5
• .45
• .55

What is the probability of choosing a Honda? 

• .5970
• .5373
• .4627
• .4030

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

• .2
• .2222
• .10
• .5

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

• .7273
• .4
• .16
• .22

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

What is the P( not purple) on this spinner?

• 2/5

• 1/5

• 4/5

• 3/5

What is the probability of spinning an even number?

• 16 2/3%

• 33 1/3%

• 50%

• 75%

A farm has 5 brown cows and 10 white cows. A fence is open and two cows escape. What is the probability that it will be a brown cow, then a white cow?

• 1/9
• 2/9
• 5/21
• 10/21

A store sells shirts that are either small, medium, or large. The colors are either red, blue, green, or white. What is the probability someone will select a large green shirt?

• 1/3
• 1/7
• 1/9
• 1/12

There is 4 blue marbles, 6 red marbles, 2 yellow marbles and 1 white marble in the bag. What is the probability of randomly choosing a yellow marble?

• 2/11

• 2/13

• 2/12

• 2/14