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myrzilka [38]
3 years ago
13

Find the mean, variance and standard deviation of the probability distribution overtime hours 0,1,2,3,4,5,6 probability.015,.070

,.164,.294,.209,.174.074
Mathematics
1 answer:
Alex_Xolod [135]3 years ago
6 0
Okay so the mean is 3, standard deviation is 2.16 and the variance is 4.66.
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Nataly_w [17]

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Find an expression which represents the difference when (2x − 6) is subtracted
Sloan [31]

Answer:

-2x + 8

Step-by-step explanation:

(2x - 6) is subtracted from (7 - 5).

First term that into an equation.

Because our first term is being subtracted from our second one, our equation is written as:

(7 - 5) - (2x - 6).

Simplify the first term by subtracting:

7 - 5 = 2

Now simplify the second term by multiplying 2x - 6 by -1 to get them out of the parenthesis. We do this because there is a negative sign in front of it.

-1 (2x - 6)

-2x + 6

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1 year ago
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zhannawk [14.2K]
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3 years ago
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cupoosta [38]

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