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the number of phone calls made each hour by all employees at a company P x 0 1 0 16 0 38 0 02 0 34 O 0 1 00 34 O 0 02 The probability that a randomly selected employee makes exaclty 0 phone calls per hour is O 0 38 X 0 1 2 0 0 02 O 0 97 3 4 F The probability that a randomly selected employee makes at most 3 phone calls per hour is 0 0 66 O 0 64 probability that a randomly selected employee makes at least 2 phone calls per hour is 0 52
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