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trasher [3.6K]
2 years ago
8

Slope of a line that contains j(1,-4) k(3,-1)

Mathematics
1 answer:
Sauron [17]2 years ago
6 0
M=(y2-y1)/(x2-x1)
   =[-1-(-4)] / (3-1)
   =(-1+4) / 2
   =3/2
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The heights of adult males in the United States are approximately normally distributed. The mean height is 70 inches (5 feet 10
steposvetlana [31]

Using the normal distribution, it is found that the probability is 0.16.

<h3>Normal Probability Distribution</h3>

In a normal distribution with mean \mu and standard deviation \sigma, the z-score of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

  • It measures how many standard deviations the measure is from the mean.
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In this problem, the mean and the standard deviation are given by, respectively, \mu = 70, \sigma = 3.

The proportion of students between 45 and 67 inches is the p-value of Z when <u>X = 67 subtracted by the p-value of Z when X = 45</u>, hence:

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Z = \frac{67 - 70}{3}

Z = -1

Z = -1 has a p-value of 0.16.

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More can be learned about the normal distribution at brainly.com/question/24663213

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