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ollegr [7]
3 years ago
7

The question is in the photo. Please answer with the correct answer.

Mathematics
1 answer:
Oksanka [162]3 years ago
6 0

Answer: 4, 2

Step-by-step explanation:

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A local company is concerned about the number of days missed by its employees due to ill ness. A Random Sample of 10 employees i
sukhopar [10]

Answer:

The incentive program does not cuts down on the number of days missed by employees.

Step-by-step explanation:

The dependent t-test (also known as the paired t-test or paired samples t-test) compares the two means associated groups to conclude if there is a statistically significant difference amid these two means.

A paired <em>t</em>-test would be used to determine whether the incentive program cuts down on the number of days missed by employees.

The hypothesis for the test can be defined as follows:

<em>H₀</em>: The incentive program does not cuts down on the number of days missed by employees, i.e. <em>d</em> ≥ 0.

<em>Hₐ</em>: The incentive program cuts down on the number of days missed by employees, i.e. <em>d</em> < 0.

From the information provided the data computed is as follows:

 n=10\\\bar d=-1.1\\SD_{d}=2.99

Compute the test statistic value as follows:

 t=\frac{\bar d}{SD_{d}/\sqrt{n}}

   =\frac{-1.1}{2.99/\sqrt{10}}\\\\=-1.16

The test statistic value is -1.16.

Decision rule:

If the p-value of the test is less than the significance level then the null hypothesis will be rejected and vice-versa.

Compute the p-value of the test as follows:

p-value=P(t_{n-1}

*Use a t-table.

The p-value of the test is 0.1379.

The p-value of the test is very large for all the commonly used significance level. The null hypothesis will not be rejected.

Thus, there is not enough evidence to support the claim.

Conclusion:

The incentive program does not cuts down on the number of days missed by employees

4 0
3 years ago
Spinner has 7 pieces, 1 black, 2 gray, 4 white, what is the probability that I would land on a gray piece?
Firlakuza [10]

Answer:

2/7

Step-by-step explanation:

there are 2 gray prices out of 7

6 0
2 years ago
Simplify.<br><br> 4a(6) + 3a<br><br> 24 a2 + 3 a<br> 13 a<br> 27 a<br> 27 a2
noname [10]

Answer:

24a + 3a

27a

we didn't multiply a since it is addition so it can not be a²

please give brainiest

8 0
2 years ago
Read 2 more answers
Factor 4x^2+28x-32=0
Luda [366]
Let's solve your equation step-by-step.
<span><span><span><span>4<span>x^2</span></span>+<span>28x</span></span>−32</span>=0
</span>Step 1: Factor left side of equation.
<span><span><span>4<span>(<span>x−1</span>)</span></span><span>(<span>x+8</span>)</span></span>=0
</span>Step 2: Set factors equal to 0.
<span><span><span>x−1</span>=<span><span><span>0<span> or </span></span>x</span>+8</span></span>=0
</span><span><span>x=<span><span>1<span> or </span></span>x</span></span>=<span>−<span>8</span></span></span>
8 0
3 years ago
Read 2 more answers
18) Find the area of the blue sector of the circle. Round to the nearest hundredth.
coldgirl [10]
I need a picture so i can help you out.
6 0
3 years ago
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