Probability Exam Worksheet With Answer Key - Math 211, Eastern Mediterranean University Page 22
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34MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
142) Four students drive to school in the same car. The students claim they were late to school and
142)
missed a test because of a flat tire. On the makeup test, the instructor asks the students to identify
the tire that went flat; front driverʹs side, front passengerʹs side, rear driverʹs side, or rear
passengerʹs side. If the students didnʹt really have a flat tire and each randomly selects a tire, what
is the probability that all four students select the same tire?
1
1
1
1
A)
B)
C)
D)
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256
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143) Find the probability that of 25 randomly selected students, no two share the same birthday.
143)
A) 0.068
B) 0.569
C) 0.431
D) 0.995
144) Find the probability that of 25 randomly selected students, at least two share the same birthday.
144)
A) 0.068
B) 0.569
C) 0.995
D) 0.432
SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.
145) What is the probability that a husband, wife, and daughter have the same birthday?
145)
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
146) Decide if the events A and B are mutually exclusive or not mutually exclusive. A die is rolled.
146)
A: The result is an odd number.
B: The result is an even number.
A) not mutually exclusive
B) mutually exclusive
147) Decide if the events A and B are mutually exclusive or not mutually exclusive, A die is rolled.
147)
A: The result is a 3.
B: The result is an odd number.
A) not mutually exclusive
B) mutually exclusive
148) Decide if the events A and B are mutually exclusive or not mutually exclusive. A date in
148)
Philadelphia is selected.
A: It rains that day.
B: It snows that day.
A) not mutually exclusive
B) mutually exclusive
149) Decide if the events A and B are mutually exclusive or not mutually exclusive. A card is drawn
149)
from a standard deck of 52 playing cards.
A: The result is a 7.
B: The result is a jack.
A) not mutually exclusive
B) mutually exclusive
150) Decide if the events A and B are mutually exclusive or not mutually exclusive. A card is drawn
150)
from a standard deck of 52 playing cards.
A: The result is a club.
B: The result is a king.
A) not mutually exclusive
B) mutually exclusive
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