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faltersainse [42]
3 years ago
11

The phone calls to a computer software help desk occur at the rate of 2.1 per minute between 3:00 p.m. and 4:00 p.m. Compute the

probability that the number of calls between 3:10 p.m. and 3:15 p.m. is
Mathematics
1 answer:
algol [13]3 years ago
4 0

Answer:

The probability is 1/12

Step-by-step explanation:

Probability is given by number of possible outcomes ÷ number of total outcomes

Rate of phone calls = 2.1 per minute

Total number of calls between 3:00 p.m and 4:00 p.m (60 minutes) = 2.1 × 60 = 126

Number of calls between 3:10 p.m and 3:15 p.m (5 minutes) = 2.1 × 5 = 10.5

Probability = 10.5/126 = 1/12

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