Arandom sample of finance majors taking an accounting course were surveyed after completing the final exam. they were asked, “how many times did you review your final exam before handing it in to the professor? ” the table below represents the probability density function for the random variable x, the number of times students reviewed their exam before handing it in. find the standard deviation of x.
round the final answer to two decimal places.
x
p(x = x)
0
1/5
1
1/5
5
1/5
6
2/5

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step-by-step explanation:

3. (5x + 1) - (-10x + 6)

simplify the answer choice. combine like terms. remember to distribute the negative to the terms inside the second parenthesis. also remember that two negatives = one positive, and one of each sign = negative.

- (-10x + 6) = + 10x - 6

simplify. combine like terms:

5x + 1 + 10x - 6

5x + 10x + 1 - 6

15x - 5

∴ it is your answer

~

c) yes, because of asa or aas

a.) list the factors of 40.

1/2/4/5/8/10/20/40

b.) list the factors of 40 that represent the number of cans that could be on each shelf.

5

c.) how many different arrangements of cans are possible?

just one because if you put more on one shelf you will go way over 40 and the cabinet will probably break.

d.) what are the possible arrangements of the cans?

put 5 cans on each self to reach 40 cans in total.

e.) which arrangement uses all the shelves?

5 because you can put 5 cans on each shelf, and since there are 8 shelfs you are equally going to get 40 cans.