Multiple Choice
A company is studying the number of daily debit card purchases. There were 20 purchases and the
Probability of a debit card purchase is 0.5. Of the 20 purchases, what is the expected value of the
Number of debit card purchases?
A) 4
B) 6
C) 8
D) 10
E) 12
Correct Answer:
Verified
Correct Answer:
Verified
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