Math 7 - 2nd Semester Final Exam Review

Tracey has grades of 97, 92, 100, and 90 on her last four math tests. What grade does she need on the next test to have a mean of 95?

• 86
• 96
• 94
• 88

 Josh is rolling dice in a probability experiment. If Josh wants the experimental probability to be as close as possible to the theoretical probability, which plan should he use?

• Roll 4 times
• Roll 40 times
• Roll 75 times
• Roll 140 times

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.6

 Andy has a cube with numbers 1 through 6 on it. When he tosses the cube, what is the probability that the cube will land with the number 3 on top?

• 1/2
• 1/4
• 1/6
• 1/3

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

The graph shows the amount Michael earned while working for eight days. Which day’s amount is closest to the mean for the eight days?

• Day 1
• Day 3
• Day 5
• Day 7

Lacy’s first 3 quiz scores were 80, 87, and 90. What score does she need on the fourth quiz to have a mean quiz score of 88?

• 95
• 90
• 88
• 85

 Lynn picked a jelly bean out of a bag without looking. The bag contained 6 pink, 10 purple, 4 red, 3 green and 1 orange. What is the probability that she chose a pink or green jelly bean?

• 3/8
• 1/2
• 1/4
• 1/8

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

A spinner has 8 sections, each section labeled either A or B. When the spinner is spun, the probability of landing on an A is 1/4. How many sections on the spinner are labeled A?

• One
• Two 
• Four
• Five

Tags

CCSS.7.SP.C.5

CCSS.7.RP.A.2

The following are the final scores for two rival basketball teams over the past 9 years:
Lions: 62, 58, 70, 45, 62, 60, 48, 55, 44
Bears: 54, 72, 65, 48, 26, 81, 59, 60 ,57
Compare the means.

• The Lions had a larger mean by 2 points
• The Bears had a larger mean by 58 points
• The Lions had a smaller mean by 56 points
• The Lions had a smaller mean by 2 points

If you want to get a general idea of the type of food the general population prefers, which sample group should you survey?

• The 8th grade students
• Customers at a sushi bar
• People in a grocery store
• Waiters at a steak house

You roll two dice. What is the probability that you will land on a sum of 8?

• 5/36
• 1/12
• 1/3
• 2/9