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Elodia [21]
3 years ago
7

There are 30 people in the class, 15 play a sport. what percentage of the class play a sport.

Mathematics
1 answer:
Aleksandr [31]3 years ago
6 0

Answer:

50% of the class play a sport.

Step-by-step explanation:

30/2 = 15

        = 50%

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The probability that the time between the next two calls is between 3 minutes and 7 minutes is 0.2442.

Step-by-step explanation:

Let <em>X</em> = time between calls made to Amazon's customer service.

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f_{X}(x)=\left \{ {{\lambda e^{-\lambda x};\   x>0}} \atop {0;\ otherwise}} \right.

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P(3

Thus, the probability that the time between the next two calls is between 3 minutes and 7 minutes is 0.2442.

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