AnswersConcepts in Probability and Statistics AIndependent and Mutually Exclusive Events

Independent and Mutually Exclusive Events — Unit test Answers

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Set V is all the unique three-digit numbers using the digits 1, 2, 3, 4, and 5.Which set would be considered a subset of set V?

A
Set W is all the unique three-digit numbers using the digits 1, 3, and 5.
B
Set X is all the unique three-digit numbers using the digits 2, 4, and 6.
C
Set Y is all the unique three-digit numbers using the digits 0, 2, and 4.
D
Set Z is all the unique three-digit numbers using the digits 3, 5, and 7.
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Patty, Quinlan, and Rashad want to be club officers. The teacher who directs the club will place their names in a hat and choose two without looking. The student whose name is chosen first will be president and the student whose name is chosen second will be vice president.Which choice represents the sample space, S, for this event?

A
S = {PQR}
B
S = {PQR, PRQ, QPR, QRP, RPQ, RQP}
C
S = {PQ, PR, QR}
D
S = {PQ, QP, PR, RP, QR, RQ}
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How many ways can eight letters be arranged into groups of five where order matters and the first two letters are already chosen?

A
100
B
120
C
240
D
720

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