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kotegsom [21]
3 years ago
15

Which answer is it I’m doing my quiz rn

Mathematics
2 answers:
anyanavicka [17]3 years ago
8 0

Answer:

10

Step-by-step explanation

3 x 4 = 12

8 + 12 = 20

20 / 2 = 10

grigory [225]3 years ago
5 0

Answer:

B, 10

Step-by-step explanation:

1) Multiply 3 by 4. You get 12

2) Add 8. That leaves you with 20

3) 20 divided by 2 equals 10

:) Good luck on your quiz

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Service calls arriving at an electric company follow a Poisson distribution with an average arrival rate of 5656 per hour. Find
liberstina [14]

Answer:

The average number of service calls in a 15-minute period is of 14, with a standard deviation of 3.74.

Step-by-step explanation:

In a Poisson distribution, the probability that X represents the number of successes of a random variable is given by the following formula:

P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}

In which

x is the number of sucesses

e = 2.71828 is the Euler number

\mu is the mean in the given interval. The variance is the same as the mean.

Average rate of 56 calls per hour:

This means that \mu = 56n, in which n is the number of hours.

Find the average and standard deviation of the number of service calls in a 15-minute period.

15 minute is one fourth of a hour, which means that n = \frac{1}{4}. So

\mu = 56n = \frac{56}{4} = 14

The variance is also 14, which means that the standard deviation is \sqrt{14} = 3.74

The average number of service calls in a 15-minute period is of 14, with a standard deviation of 3.74.

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2 years ago
If a remote control car is driven up a ramp and flies into the air to an latitude of 11 inches before returning to the ground. I
Nitella [24]

im not sure but maybe sorry

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2 years ago
The sum of 5 consecutive even numbers is 200. what is the fifth number in this sequence
Andrej [43]
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solution: x+(x+2)+(x+4)+(x+6)+(x+8)=200
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8 0
2 years ago
Read 2 more answers
I need help with this
torisob [31]

Answer:

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