Probability and Data Review (Test 4.2)

An automobile dealer decides to select a month for its annual sale.  Find the probability that it will be September or October.

• 1/12
• 1/6
• 1/4
• 5/6

Tags

CCSS.7.SP.C.7A

At a community swimming pool there are 2 managers, 8 lifeguards, 3 concession stand clerks, and 2 maintenance people.  If a person is selected at random, find the probability that the person is either a lifeguard or a manager.

• 2/3
• 8/15
• 2/15
• not enough information

Tags

CCSS.HSS.CP.B.7

At a particular school with 200 male students, 58 play football, 40 play basketball, and 8 play both.  What is the probability that a randomly selected male student plays neither sport?

• 49/100
• 29/100
• 51/100
• 9/20

Tags

CCSS.HSS.CP.B.7

The Bargain Auto Mall has these cars in stock.  If a car is selected at random, find the probability that it is Foreign and mid-sized.

• 20/300
• 135/300
• 155/300
• 40/300

Which event is not a dependent event?

• Picking 2 students to each be line leader and door holder from a group of 20 students
• Picking 2 marbles from a bag without replacing the first marble
• Picking 2 crayons from a box at the same time (simultaneously) 
• Picking an earring, replacing it, then picking a 2nd earring

Tags

CCSS.HSS.CP.A.5

You flip a nickel three times.
Find the probability that all flips will land on tails.

• 1/2
• 1/4
• 1/6
• 1/8

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

Tags

CCSS.7.SP.C.8B

You pick a marble from this bag.
What is the probability you will choose either a black or white marble?

• 3/5
• 9/100
• 1/10
• 2/5

You roll two die.
What is the probability you will roll a 4, then roll a number less than 3?

• 1/36
• 1/18
• 1/9
• 1/6

What is the probability of landing on the color blue on the spinner?

• 3/3
• 5/3
• 3/12 or 1/4
• 1/3

Tags

CCSS.7.SP.C.7B