Theoretical Probability Answers

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Kevin has a spinner that has 10 equal sections and 2 sections of each color—red, blue, green, yellow, and purple. Kevin spins the spinner 180 times. About how many times should Kevin land on red or purple?

A
about 18 times
B
about 36 times
C
about 40 times
D
about 72 times
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Marlon asks a friend to think of a number from 5 to 11. What is the probability that Marlon’s friend will think of the number 9?

A
StartFraction 1 over 9 EndFraction
Option A
B
StartFraction 1 over 7 EndFraction
Option B
C
StartFraction 1 over 6 EndFraction
Option C
D
StartFraction 9 over 11 EndFraction
Option D

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