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3 years ago

Write each improper fraction as a mixed number 13/3 8/7 10/8

Mathematics

2 answers:

Mademuasel [1]3 years ago

7 0

Answer:

13/3 is 4 1/3

8/7 is 1 1/7

10/8 is 1 1/4 (simplified from 1 2/8)

Step-by-step explanation:

aleksandr82 [10.1K]3 years ago

6 0

Answer:

13/3 = 4 1/3

8/7 = 1 1/7

10/8 = 1 2/8

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The heights of American men have an approximately bell-shaped distribution with a mean of 70 inches (5' 10") and standard deviat

Katyanochek1 [597]

Answer:

0.9973 is the percentage of American men whose height is between 61 and 79 inches.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 70 inches

Standard Deviation, σ = 3 inches

We are given that the distribution of heights of American men is a bell shaped distribution that is a normal distribution.

Formula:

$z_{score} = \displaystyle\frac{x-\mu}{\sigma}$

P(height is between 61 and 79 inches)

$P(61 \leq x \leq 79) = P(\displaystyle\frac{61 - 70}{3} \leq z \leq \displaystyle\frac{79-70}{3}) = P(-3 \leq z \leq 3)\\\\= P(z \leq 3) - P(z < -3)\\= 0.9987 - 0.0014 = 0.9973= 99.73\%$

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0.9973 is the percentage of American men whose height is between 61 and 79 inches.

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3 years ago

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vredina [299]

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4 years ago

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<T = <N
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