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Pavel [41]
3 years ago
10

The scores on a tester normally distributed with a mean of 70 and a standard deviation of 14 what is the score of that is two st

andard deviation’s above the mean
Mathematics
1 answer:
anzhelika [568]3 years ago
8 0

Step-by-step explanation:

70 + 2(14) = 98

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7 0
3 years ago
Which models show 40%? Check all that apply. A model with 4 shaded sections and 6 unshaded sections. A model with 40 shaded sect
Amanda [17]

Answer:

A model with 4 shaded sections and 6 unshaded sections.

A model with 40 shaded sections and 60 unshaded sections.

Step-by-step explanation:

Required:

Which models shows 40%

(a) 4 shaded and 6 unshaded

First, we calculate the total sections

Total = 4 + 6

Total = 10

The percentage of the shaded section is:

Shaded = \frac{4}{10} * 100\%

Shaded = 0.4 * 100\%

Shaded = 40\%

(b) 40 shaded and 60 unshaded

First, we calculate the total sections

Total = 40 + 60

Total = 100

The percentage of the shaded section is:

Shaded = \frac{40}{100} * 100\%

Shaded = 0.4 * 100\%

Shaded = 40\%

(c) 2 shaded and 8 unshaded

First, we calculate the total sections

Total = 2 + 8

Total = 10

The percentage of the shaded section is:

Shaded = \frac{2}{10} * 100\%

Shaded = 0.2 * 100\%

Shaded = 20\%

<em>Hence, (a) and (b) shows 40%</em>

8 0
2 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=%5Cboxed%7B%5Csf%20%5Csqrt%7B200%7D%5Ctimes%20%5Csqrt%7B200%7D%20%7D" id="TexFormula1" title="
Darya [45]

Answer:

\sf \longmapsto200

Step-by-step explanation:

\sf \longmapsto\sqrt{200}\times \sqrt{200}

\sf \longmapsto \sqrt{200}

\sf \longmapsto200

3 0
3 years ago
Read 2 more answers
Nic ran for two hours. If he ran one mile every (1)/(6) of an hour, how many miles did Nic run? Which model would help solve thi
ratelena [41]

Answer:

he ran 12 miles. the option you have chosen is the best choice.

Step-by-step explanation:

hope this helps

4 0
2 years ago
Read 2 more answers
What is the result when the number 10 is increased by 20%?
Arlecino [84]

Answer:

1.20 percent

Step-by-step explanation:

3 0
2 years ago
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