Question

A set of cards contains the numbers 1 through 20. Mathieu chooses a card at random, records the number of the card, and then returns the card to the set. He conducts 200 trials of this event. Based on the theoretical probability, how many times can Mathieu expect to choose a multiple of 5?

A. 10
B. 20
C. 40
D. 50

Answer 1

Answer:

40

Step-by-step explanation:

Chance of getting a multiple of 5 one time = 4/20

= 1/5

Chance of getting a multiple of 5 , 200 times = 1/5×200

= 1×40

= 40

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Answer 2

Answer:

c

Step-by-step explanation:

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