Probability Checkpoint

Probability can be written as ...

• a fraction
• a decimal
• a percent
• all of the above

A bag contains 5 quarters, 2 dimes, and 4 pennies. What is the probability of picking a quarter?

• 5/11
• 5/6
• 1/3
• 5

The probability of it raining today is 30%.  What is the probability that it will NOT rain?

• 30%
• 70%
• 100%
• 0%

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 an instrument?

• .55
• .5
• .45
• .4

A box contains 5 purple marbles, 3 green marbles and 2 orange marbles. Draws are made without replacement. Find the probability of drawing green, then drawing orange.

• 1/15

• 3/50

• 3/31

• 3/5

What statement does the shaded region represent

• A or B
• Not A
• A and B
• Not B

How many senior boys play football or wrestle?

• 9
• 21
• 30
• 39

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?

• 5/15 + 10/14
• 5/15 x 4/15
• 5/15 x 10/14
• 5/15 x 10/15

Tags

CCSS.7.NS.A.2

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

A bag contains 5 quarters, 2 dimes, and 4 pennies. A coin is drawn and IS REPLACED. What is the probability of picking a dime two times in a row?

• 2/11

• 4/11

• 2/121

• 4/121