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vova2212 [387]
2 years ago
12

Someone please help and also show work plz​

Mathematics
1 answer:
BARSIC [14]2 years ago
8 0

Answer:

X= -50

Step-by-step explanation:

Subtract 7 from both sides then multiply by 5.

X/5 =-10

5 x -10 = -50

So x= -50

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Answer:

Therefore,  the probability that at least half of them need to wait more than 10 minutes is <em>0.0031</em>.

Step-by-step explanation:

The formula for the probability of an exponential distribution is:

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Using the complement rule, we can determine the probability of a customer having to wait more than 10 minutes, by:

p = P(x > 10)

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<em></em>

Therefore,  the probability that at least half of them need to wait more than 10 minutes is <em>0.0031</em>.

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