Probability Exam Worksheet With Answer Key - Math 211, Eastern Mediterranean University Page 14
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3476) You randomly select a computer from a batch of 50 which contains 3 defective computers. Event B
76)
is selecting a defective computer.
A) 3; Not a simple event because it is an event that consists of more than a single outcome.
B) 1; Simple event because it is an event that consists of only one type of computer.
C) 50; Not a simple event because it is an event that consists of more than a single outcome.
D) 3; Simple event because it is an event that consists of only one type of computer.
77) A computer is used to randomly select a number between 1 and 1000. Event A is selecting a
77)
number greater than 600.
A) 400; Simple event because only one number is selected.
B) 600; Not a simple event because it is an event that consists of more than a single outcome.
C) 1; Simple event because it is an event that consists of a single outcome.
D) 400; Not a simple event because it is an event that consists of more than a single outcome.
78) You roll a six-sided die. Event B is rolling an even number.
78)
A) 1; Simple event because it is an event that consists of a single outcome.
B) 2; Not a simple event because it is an event that consists of more than a single outcome.
C) 3; Not a simple event because it is an event that consists of more than a single outcome.
D) 3; Simple event because the die is only rolled once.
79) You randomly select one card from a standard deck. Event B is selecting the ace of hearts.
79)
A) 4; Simple event because only one card is selected.
B) 13; Not a simple event because it is an event that consists of more than a single outcome.
C) 4; Not a simple event because it is an event that consists of more than a single outcome.
D) 1; Simple event because it is an event that consists of a single outcome.
80) You randomly select a computer from a batch of 50 which contains 3 defective computers. Event B
80)
is selecting a defective computer.
A) 1; Simple event because it is an event that consists of only one type of computer.
B) 3; Not a simple event because it is an event that consists of more than a single outcome.
C) 50; Not a simple event because it is an event that consists of more than a single outcome.
D) 3; Simple event because it is an event that consists of only one type of computer.
Use the fundamental counting principle to solve the problem.
81) A shirt company has 4 designs each of which can be made with short or long sleeves. There are 5
81)
color patterns available. How many different shirts are available from this company?
A) 40
B) 11
C) 9
D) 20
82) If 8 newborn babies are randomly selected, how many different gender sequences are possible?
82)
A) 64
B) 16
C) 256
D) 40,320
83) A singer-songwriter wishes to compose a melody. Each note in the melody must be one of the 10
83)
notes in her vocal range. How many different sequences of 3 notes are possible?
A) 59,049
B) 30
C) 1000
D) 720
84) How many license plates can be made consisting of 3 letters followed by 2 digits?
84)
A) 175,760
B) 100,000
C) 1,757,600
D) 11,881,376
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