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Alborosie
3 years ago
9

Rewrite 9/10 and 14/15 so that they have a common denominator

Mathematics
1 answer:
borishaifa [10]3 years ago
7 0
It would be 27/30 and 28/30
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The researcher is interested to know if policy A (new) is more effective than policy B (old). Frame the hypothesis and describe
vesna_86 [32]

<u>Answer:</u>

<u>Null hypothesis: Policy B remains more effective than policy A.</u>

<u>Alternate hypothesis: Policy A is more effective than policy B.</u>

<u>Step-by-step explanation:</u>

Remember, a hypothesis is a  usually tentative (temporary until tested) assumption about two variables– independent and the dependent variable.

We have two types of hypothesis errors:

1. A type I error occurs when the null hypothesis (H0) is wrongly rejected.

That is, rejecting the assumption that policy B remains more effective than policy A when it is <em>actually true.</em>

2. A type II error occurs when the null hypothesis H0, is not rejected when it is actually false. That is, accepting the assumption that policy B remains more effective than policy A when it is <em>actually false.</em>

3 0
3 years ago
a point -2, 6 is rotated clockwise about the origin by 90° and this image is reflected in the x-axis is Define set point is labe
Helen [10]

Answer:wow

Step-by-step explanation:

4 0
2 years ago
HELP ME I DON'T GET IT!!!!!
frutty [35]

Answer:

  • Kamille is wrong

Step-by-step explanation:

<u>Kamille is wrong, because:</u>

  • √58 is between √49 and √64

or

  • 7 < √58 < 8

She needs about 8 inches ribbon not 60 inches

7 0
2 years ago
A yearly subscription to the monthly magazine cost $41.40. The regular news stand price is $4.25 per issue. How much is saved pe
Elanso [62]
41.40 ÷ 12 = 3.45
So if you are buying a yearly subscription it is $3.45 per issue.
4.25 - 3.45 = 0.8 that is how much you save.

5 0
3 years ago
It takes 5.5 hours to travel 330 miles from City A to city B what is the unit rate?
bearhunter [10]
330 miles / 5.5 hours

= 54.54 miles/hour.
Glad I could help!
7 0
3 years ago
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