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Fofino [41]
2 years ago
9

If the wages of workers for a given company are normally distributed with a mean of $15 per hour, then the proportion of the wor

kers earning more than $13 per hour:
Mathematics
1 answer:
lakkis [162]2 years ago
6 0

The proportion of the workers earning more than $13 per hour is greater than the proportion earning less than $13 per hour.

<h3>What is a normal distribution?</h3>

A normal distribution is a probability distribution that is symmetric around the mean of the distribution. This means that the there are more data around the mean than data far from the mean. A normal distribution is also known as the Gaussian distribution. When depicted on a graph, a normal distribution is bell-shaped.

To learn more about a normal distribution, please check: brainly.com/question/25846196

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A researcher wants to estimate the proportion of a population which possesses a given characteristic. a random sample of size 25
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Like bought 15 boos six books each cost $7 four of the books each cost $5 the rest of the books each cost $3 how many do all the
Gekata [30.6K]

Answer:

The total combined cost of 15 books  is $77.

Step-by-step explanation:

Here, the total number of books purchased  = 15

The cost of books = $7 for 6 books

So, the cost of six books  =  6 x ( cost of 1 book) = 6 x ($7)  = $42

⇒Out of 15 books, the cost of 6 books  = $42  .... (1)

The cost of books = $5 for 4 books

So, the cost offour books  =  4 x ( cost of 1 book) = 4 x ($5)  = $20

⇒Out of 15 books, the cost of 4 books  = $20  .... (2)

Now, the left books are at cost $3 each book.

The number of left books  = 15 - ( 6+4) = 15 - 10 =  5

So, the cost of books = $3 for 5 books

So, the cost of five books  =  5 x ( cost of 1 book) = 5 x ($3)  = $15

⇒Out of 15 books, the cost of 5 books  = $15  .... (3)

Now, to get the total price of 15 books add (1) + (2) + (3), we get:

$42 + $20 + $15  = $77

Hence, the total combined cost of 15 books  is $77.

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Step-by-step explanation:

Elijah drew a triangle that has one side longer than the other two.

Now, we know that the length of a side of a triangle is always less than the total length of the other two sides of the triangle.

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