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marissa [1.9K]
3 years ago
8

Educators are testing a new program designed to help children improve their reading skills. The null hypothesis of the test is t

hat the program does not help children improve their reading skills. For the educators, the more consequential error would be that the program does not help children improve their reading skills but the test indicated that it does help.
Which of the following should the researchers do to avoid the more consequential error?

a. Increase the significance level to increase the probability of Type I error.
b. Increase the significance level to decrease the probability of Type I error.
c. Decrease the significance level to increase the probability of Type I error.
d. Decrease the significance level to decrease the probability of Type I error.
e. Decrease the significance level to decrease the standard error.
Mathematics
1 answer:
il63 [147K]3 years ago
3 0
Answer is a hopefully it helps
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Need help ASAP !!!!!!!
Anestetic [448]
First we distribute \frac{1}{5} into n and -\frac{1}{7}.

\frac{1}{5} * n =  \frac{1}{5} n
\frac{1}{5}  *  -\frac{1}{7}  = - \frac{1}{35}

That makes the left side of the equation 

\frac{1}{5} n -  \frac{1}{35} =  \frac{1}{6} n

Now we subtract \frac{1}{5}n from \frac{1}{6} n, which makes \frac{1}{30}

Now the equation is 

-\frac{1}{35} =  -\frac{1}{30n}

Our goal is to isolate n, so we both sides by 30

30* -\frac{1}{35} = - \frac{1}{30}n * 30 

That will make the equation 

- \frac{30}{35} = -n

We multiply -1 on both sides of the equation:

\frac{30}{35} = n

Finally we simplify \frac{30}{35}, which makes \frac{6}{7}

So the answer is n =  \frac{6}{7}
5 0
3 years ago
Solve for the positive value of x: 6x2 – 54 = 0
n200080 [17]
If you would like to solve for the positive value of x, you can do this using the following steps:

6 * x^2 - 54 = 0      /6
x^2 - 9 = 0
(x - 3) * (x + 3) = 0
1. x = 3
2. x = - 3

The correct result would be x = 3.
4 0
3 years ago
Find the value of x in the triangle shown below. X°<br> 45°<br> 56°
Katen [24]

Answer:79

Step-by-step explanation:

180-(45+56)=79

4 0
2 years ago
If i make $8.75 per hour, what will my hourly wage be for 14 hours?
Ludmilka [50]
Your wage would be $122.5, (8.75)(14)
6 0
3 years ago
Read 2 more answers
The number of pages in the U.S. tax code exceeds the number of pages in the King James Bible by 18,528. The combined number of p
LenaWriter [7]
Make two equations. Then solve. Let t and b represent the numbers of pages in the Tax Code and Bible, respectively.
  t - b = 18,528 . . . . . tax code exceeds Bible by 18,528 pages
  t + b = 21,472 . . . . .together, they total 21,472 pages

Add the two equations.
  2t = 40,000
  t = 20,000

The number of pages in the tax code is 20,000.
8 0
3 years ago
Read 2 more answers
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