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5 November, 23:26

Suppose only 40% of all drivers in Florida regularly wear a seatbelt. A random sample of 500 drivers is selected. What is the probability that a. Between 170 and 220 (inclusive) of the drivers in the sample regularly wear a seatbelt? b. Fewer than 175 of those in the sample regularly wear a seatbelt?

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  1. 6 November, 03:02
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    The answer is: a. Between 170 and 220 (inclusive) of the drivers in the sample regularly wear a seatbelt?.

    Explanation:

    If we have 500 drivers, of which 40% = 0.40, wear the belt, multiplying 500 x 0.40 = 200 drivers who wear the belt.

    The answer is: a. Between 170 and 220 (inclusive) of the drivers in the sample regularly wear a seatbelt?.
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Home » Social Studies » Suppose only 40% of all drivers in Florida regularly wear a seatbelt. A random sample of 500 drivers is selected. What is the probability that a. Between 170 and 220 (inclusive) of the drivers in the sample regularly wear a seatbelt? b.
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