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morpeh [17]
2 years ago
10

What is the addition for -28+(-40)

Mathematics
2 answers:
Olin [163]2 years ago
5 0

Answer:

-68

Step-by-step explanation:

-28 + - 40 =

2 + 4 = 6

8 + 0 = 8 making

-68

hope this helped

erma4kov [3.2K]2 years ago
5 0

here is your answer and some tips ☺️

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Answer:

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Step-by-step explanation:

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The amount of time that people spend at Grover Hot Springs is normally distributed with a mean of 73 minutes and a standard devi
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Answer:

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Step-by-step explanation:

Let <em>X</em> = amount of time that people spend at Grover Hot Springs.

The random variable <em>X</em> is normally distributed with a mean of 73 minutes and a standard deviation of 16 minutes.

(a)

The distribution of the random variable <em>X</em> is:

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(b)

Compute the probability that a randomly selected person at the hot springs stays longer than 60 minutes as follows:

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*Use a <em>z</em>-table for the probability.

Thus, the probability that a randomly selected person at the hot springs stays longer than an hour is 0.7910.

(c)

Compute the probability that a randomly selected person at the hot springs stays less than 45 minutes as follows:

P(X

*Use a <em>z</em>-table for the probability.

Thus, the probability that a randomly selected person at the hot springs stays less than 45 minutes is 0.0401.

(d)

Compute the probability that a randomly person spends between 60 and 90 minutes at the hot springs as follows:

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*Use a <em>z</em>-table for the probability.

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What is 78507 divided by 1000?
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Ur answer is going to be 78.507
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3 years ago
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