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solmaris [256]
2 years ago
7

In one region, the September energy consumption levels for single-family homes are found to be normally distributed with a mean

of 1050 kWh and a standard deviation of 218 kWh. For a randomly selected home, find the probability that the September energy consumption level is greater than 1100 kWh.
Please explain!
Mathematics
1 answer:
ValentinkaMS [17]2 years ago
5 0

Hi !

The Answer is :-

0.409

(<em>P</em><em>l</em><em>e</em><em>a</em><em>s</em><em>e</em><em> </em><em>c</em><em>h</em><em>e</em><em>c</em><em>k</em><em> </em><em>m</em><em>y</em><em> </em><em>a</em><em>t</em><em>t</em><em>a</em><em>c</em><em>h</em><em>e</em><em>d</em><em> </em><em>i</em><em>m</em><em>a</em><em>g</em><em>e</em><em> </em><em>f</em><em>o</em><em>r</em><em> </em><em>it</em><em>)</em>

Have a great day!!

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3 years ago
The sum of three consecutive numbers is 72 what are the smallest of these numbers
Airida [17]
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8 0
2 years ago
There are 3 seats in each row in a school auditorium. There are 15 rows in the auditorium. Each new seat costs $74. What is the
Akimi4 [234]

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6 0
3 years ago
What is the perimeter of a quadrilateral with vertices at (3,-6),(8,-6),(3,-4), and (8,-4)
Eduardwww [97]

Answer:

im sorry i dont know but this is for a challenge

Step-by-step explanation:

3 0
2 years ago
In how many ways can a committee of 5 people be chosen from a total of 30 possible people?
Stolb23 [73]

Answer:  142506

Step-by-step explanation:

Given : The total number of choices for people in committee = 30

The number of people need to be chosen =5

Since , here order doesn't matter, so we use combination.

The combination of r things taking from n at a time is given by :-

C(n,r)=\dfrac{n!}{(n-r)!r!}

Now, the number of possible combinations of 5 people be chosen from a total of 30 possible people :-

C(30,5)=\dfrac{30!}{(30-5)!5!}\\\\=\dfrac{30\times29\times28\times27\times26}{120}\\\\=142506

Hence, the committee can be made in 142506 ways.

3 0
2 years ago
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