Unit Test — Unit test Answers

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A local middle school adopted a policy for school uniforms. Students can wear black pants or tan pants. They can wear a yellow shirt, a red shirt, a green shirt, or a white shirt. The tree diagram shows the possible outfit choices.How many different choices does a student have when choosing a pair of pants and a shirt?

Question illustration
A
2
B
4
C
8
D
10
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A spinner is divided into 8 equal sections, and each section contains a number from 1 to 8. What is the probability of the spinner landing on a number that is greater than 5?

A
StartFraction 1 over 13 EndFraction
Option A
B
StartFraction 1 over 8 EndFraction
Option B
C
StartFraction 3 over 13 EndFraction
Option C
D
StartFraction 3 over 8 EndFraction
Option D
24

Which situations can be simulated using this spinner? Select three options.

Question illustration
A
Predicting the gender of a randomly chosen art teacher if 1 of 3 art teachers is female
B
Predicting the gender of a randomly chosen history teacher if 12 of 15 history teachers are female
C
Predicting the gender of a randomly chosen biology teacher if 8 of 12 biology teachers are female
D
Predicting the gender of a randomly chosen chemistry teacher if 4 of 9 chemistry teachers are female
E
Predicting the gender of a randomly chosen health teacher if 2 of 4 health teachers are female
25

Kyle’s handful of trail mix has 2 almonds, 4 peanuts, 3 raisins, and 5 sunflower seeds. If he picks one item from the handful of trail mix at random, what is the probability that the item is a peanut?

A
StartFraction 1 over 14 EndFraction
Option A
B
StartFraction 1 over 7 EndFraction
Option B
C
StartFraction 2 over 7 EndFraction
Option C
D
Two-fifths
Option D

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