Students who attend Anytown College pay either in-state Calculate the standard deviation of the sum or out-of-state tuition, depending on where they reside. S=1+0.
The amount, I spent on in-state tuition for a randomly
selected student has a mean of $2,523.75 and a standard Os = $227.69
deviation of $1,003.25. The amount, O, spent on out-of-
state tuition for a randomly selected student has a mean
Os = $1,301.25
of $3,825.00 and a standard deviation of $1,126,50.
✓ Os = $1,508.48
Suppose we randomly select one student who pays in-
state tuition and one student who pays out-of-state tuition. os = $6,348.75
We can consider I and to be independent random
variables.

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step-by-step explanation:

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d. $180

step-by-step explanation:

if the dimensions of the room is 9ft by 12 ft, we have the area of the floor as,

so the area of the floor is 108 square feet, converting that into square yards we get,

the cost of carpet is $15 per square yard, therefore the cost of carpet for 12 square yards is,

hence, the cost of carpet is $180.

assuming the dimensions of the room be,

15 ft by 12 ft

so, the area of the floor of that room is,

we can convert 180 square feet into square yards, we know that,

1 sq ft = 0.111 sq yard

so, 180 square feet is,

so the area of floor is 20 square yards.

now, the cost of carpet is 15 dollars per square yard, therefore the cost of carpet for 20 square yards is,

so, it will cost $300.