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Veseljchak [2.6K]
3 years ago
8

A watch manufacturer believes that 60% of men over age 50 wear watches. So, the manufacturer took a simple random sample of 275

men over age 50 and 170 of those men wore watches. Test the watch manufacturer's claim at a=.05.
Mathematics
1 answer:
Gemiola [76]3 years ago
3 0

Answer:

the percentage of men over 50 who wear watches are 61.82%

Step-by-no step explanation:

first just multiply 275 the number of people over 5o then divide it by .6 to get 165 is the answer

i hope this is correct

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Answer:

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The shape shrink in size by a factor of 2. So the answer is (1/2)

4 0
3 years ago
A sports team sold a total of 293 adult and child tickets to a recent game. Adult tickets cost $25.50 and child tickets cost $8.
frozen [14]

The number of tickets for adults is 210 and the number of tickets for children is 83.

<h3>What is a linear equation?</h3>

It is defined as the relation between two variables, if we plot the graph of the linear equation we will get a straight line.

If in the linear equation, one variable is present, then the equation is known as the linear equation in one variable.

Let x be the number of tickets for adults and y be the number of tickets for children.

From the problem:

x + y = 293

25.50x + 8y = 6019

After solving with the substitution method:

\rm 25.5\left(293-y\right)+8y=6019

y = 83

x = 210

Thus, the number of tickets for adults is 210 and the number of tickets for children is 83.

Learn more about the linear equation here:

brainly.com/question/11897796

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5 0
2 years ago
What is <br> 9/x-6 = 3/x-10
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Answer:

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Answer:

Look at step-by-step explanation

Step-by-step explanation:

Side-side-angle is not a congruence rule because a side cannot be in between an angle and a side. Angle-side-side is the same thing, a side cannot be in between an angle and a side.

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A landscaping business is purchasing plants from a nursery to finish a project. It will cost $14 each to buy each tree and $5 ea
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