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vaieri [72.5K]
2 years ago
6

Thirteen people are entered in a race. If there are no ties, in how many ways can the first three places be awarded?

Mathematics
1 answer:
Leni [432]2 years ago
5 0

Answer:

666.888.000.333

Step-by-step explanation:

yeah I said what I said

bye

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A 2012 Gallup poll surveyed Americans about their employment status and whether or not they have diabetes. The survey results in
posledela

A) See picture for the table.

To make the table, multiply 47774 by 1.5% to get total that have diabetes and multiply 5855 by 2.5% to get total unemployed that have it, then using subtraction fill in the other squares of the table.

B)

Hypothesis:

H0: No association between employment and diabetes.

H1: Association between the two

Using a graphing calculator or Excel, run a chi-test.

Chi squared equals 31.844 with 1 degrees of freedom.

 The two-tailed P value is less than 0.0001

With this information we can reject the null hypothesis and conclude there is an association between diabetes and employment.

C)

Although there is a statistical significance, there really is no practical significance between an incidence rate of 1.5 or 2.5%

3 0
3 years ago
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7 0
2 years ago
Angles that measure between 0 and 90 degrees are called_?
azamat

Answer:

Acute angles.

Step-by-step explanation:

Acute angles are from 0-90 degrees.

Hope this helps :)

7 0
3 years ago
Read 2 more answers
A carnival costs $10.50 to enter plus an additional $3.50 per ticket rides and food.
Digiron [165]

Answer:

A:y=10.50+3.5x

B:80.5

8 0
2 years ago
Need help on this one please
SVETLANKA909090 [29]

Answer:

DFG

Step-by-step explanation:

It is a right triangle, and so is DEF. Thus they are similar.

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