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lapo4ka [179]
3 years ago
11

Evaluate the expression described below if the number is 4. the difference between a number squared and the number.

Mathematics
2 answers:
elena55 [62]3 years ago
5 0
A. -4
b. 0
c. +8
d. +16
vitfil [10]3 years ago
4 0

Answer:

C) 12.

Step-by-step explanation:

Given  : if the number is 4. the difference between a number squared and the number.

To find : Evaluate the expression described below.

Solution : We have given

Number = 4 .

According to question :

difference between a number squared and the number.

Number squared = (4)².

Number =  4

Then Difference =  (4)²  - 4.

Difference =  16 - 4.

Difference =  12.

Therefore, C) 12.

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Answer:

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<u><em>Step(i):-</em></u>

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Given that the standard deviation of the Population = 4

Let 'X' be the Normal distribution

<u>Step(ii):-</u>

i)

Given that the random variable  X = 33

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P(X<33) = P( Z<1.5)

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<u>Step(iii) :-</u>

Given that the random variable  X = 26

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               Z = \frac{33-26}{2} = 3.5 >0

P(X>26)  = P( Z>3.5)

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