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8_murik_8 [283]
3 years ago
12

A small university has 200 first-year students. Historically at this university, 88% of first-year students graduate in four yea

rs. Assume that whether or not one student graduates is independent of whether or not another student graduates. Let X represent the number of first-year students who graduate in four years. What are the mean and standard deviation X?
Mathematics
1 answer:
Ira Lisetskai [31]3 years ago
6 0

Answer: c is the answer . 176, 4.60

Step-by-step explanation:

just trust me bro

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Alberta Doan worked 6 hours at time-and-a-half pay and 3 ¼ hours at double-time pay. Her regular pay rate was $9.72 an hour. Wha
natka813 [3]

Answer:

Alberta's total overtime pay of the week was $ 145.80.

Step-by-step explanation:

Given that Alberta worked 6 hours at time-and-a-half pay, and 3 hours at double-time pay, and that the value of her regular work hour is $ 9.72, to determine the value of the pay of his overtime, the following equation must be performed:

6x1.5x9.72 + 3x2x9.72 = X

9x9.72 + 6x9.72 = X

87.48 + 58.32 = X

145.8 = X

Therefore, Alberta's total overtime pay of the week was $ 145.80.

3 0
3 years ago
The graph shows the relationship between the distance a truck can travel and the amount of gasoline used.
sp2606 [1]

Answer:

7 mpg

Step-by-step explanation:

5 0
3 years ago
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Farrah installed a new pool for $14,730 using a 12-month deferred payment plan with an interest rate of 19.33%. What is the bala
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<span>D. $11,519.62 Is your exact answer, Hope This Helps! :)</span>
6 0
3 years ago
Emily buys a toaster for 10%off if she pays 36 then what was the original price
PtichkaEL [24]
x-0.1x=36

where x is the original price
0.1x is the discount (10% of the original price)
36 is the price paid

x-0.1x=36
0.9x=36
-----   ----
0.9     0.9
x=40

The original price is $40.00

7 0
3 years ago
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The equation of a line is x + 5y = 12.
Svet_ta [14]

Answer: C: 12/5

Step-by-step explanation:

y intercept is where x is 0, so set x equal to 0

0+5y=12

y=12/5

4 0
3 years ago
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