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2 years ago

Question 1.1. Suppose a normal distribution has a mean of 20 and a standard deviation of 4.

1 answer:

Nookie1986 [14]2 years ago

7 0

Answer: Question 1.1: It is 1.5 standard deviations away from the mean.

Our value of 26 is 6 units about the mean of 20. If each standard deviation is 4, we just divide 6 by 4. This gives us the number of standard deviations.

Question 2.2 The correct answer is -0.52

If we are 0.52 standard deviations below the mean, then our z-score is simply -0.52. The definition of a z-score is the number of standard deviations from the mean.

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The sides of a triangle are 3x+ 2, 6x, and 5x. Find the expression to represent the perimeter. To find the perimeter, we ADD the

frosja888 [35]

Answer:

14x + 2

Step-by-step explanation:

Perimeter = sum of the measures of each side

If a triangle has side lengths of 3x+ 2, 6x, and 5x then the perimeter of that triangle is equal to 3x + 2 + 6x + 5x

Notice that the expression 3x + 2 + 6x + 5x has similar terms so to get the simplist version of the perimeter we would simply combine like terms

3x + 6x + 5x = 14x

The perimeter would = 14x + 2

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3 years ago

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The area of a rectangle with a height of 2 and a width of 5x^2-2x+3

ICE Princess25 [194]

Answer:

Area is 10x^2 - 4x + 6

Step-by-step explanation:

To find this area, multiply the width and height together:

(5x^2 - 2x + 3)(2) = 10x^2 - 4x + 6

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2 years ago

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fiasKO [112]

Answer:

109000

Step-by-step explanation:

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3 years ago

6x + 5y = 16<br> −6x + 7y = 80

Kobotan [32]

The equation of the line in point-slope form is equal to

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3 years ago

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denis-greek [22]

Answer:

Step-by-step explanation:

a(20ft)

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