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Ad libitum [116K]
3 years ago
8

The monthly utility bills in a city at e normally distributed, with a mean $100 and a standard deviation of $13. find the probab

ility that a randomly selected utility bill is (a) a less than $70, (b) between $85 and $120, and(c) more than $140.
​
Mathematics
1 answer:
dmitriy555 [2]3 years ago
5 0

Answer:

how's your day

Step-by-step explanation:

how's your day

You might be interested in
A farmer has 96 apples to sell at the farmers market. She wants to bag the apples before going. How many ways can the farmer bag
Tcecarenko [31]

Answer and explanation:

Farmer's number of apples = 96 apples

Given that Farmer needs to bag the apples so that there are at least 4 apples in each bag(not less than 4 apples in each bag) and not more than 10 apples in each bag

And also all apples in each bag are equal

We need to find the numbers between 4 and 10(including 4 and 10) that can divide 96 without a remainder

4 can divide 96= 24

5 cannot divide 96 without remainder

6 can divide 96 =16

7 cannot divide 96 without remainder

8 can divide 96=12

9 cannot divide 96 without remainder

10 cannot divide 96 without remainder

From the above we see that the factors of 96 = 4, 6, 8 between 4 and 10

4 apples = 24 bags

6 apples = 16 bags

8 apples = 12 bags

Therefore, there can be 3 possible ways of having equal number of apples in each bag between 4 and 10 apples

8 0
3 years ago
There were 16 bald eagles in an area some years later there were 28 bald eagle‘s in the area what is the percent game
ch4aika [34]
........................
3 0
3 years ago
write the point slope form of the equation for a line that passes through the point 3, 1 and is parallel to the line y=3x+3
Galina-37 [17]

Answer:

y=3x-8

Step-by-step explanation:

If the line is parallel to y=3x+3, that would mean that they would have the same slope of 3. Then, once you plug it back into the equation along with the point given, you would get 1=3(3)+b. Solve from there, and you get b= -8. In conclusion, your point slope formula comes out to be y=3x-8.

Hope this helps! :)

4 0
3 years ago
-2 3/7 - 1 2/3 show ur work!please
nataly862011 [7]

Answer:

-4 2/21

Step-by-step explanation:

-2 3/7 - 1 2/3

Change to improper fraction

-2 3/7 = -17/7

- 1 2/3 =-5/3

-17/7-5/3

L.C.M=21

-51-35/21

= -86/21

= -4 2/21

Hope it helps..

Please mark brainliest

7 0
1 year ago
Calculate the product 78.93 x 32.45
faust18 [17]

Answer:

The answer is 2 561,2785 !!!

3 0
3 years ago
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