2 years ago

When do you reject the null hypothesis?

1 answer:

6 0

You reject the Null Hypothesis when you have a small P-Value. Here is an example! Also we never accept the null hypothesis, think of it like this if we bring someone to court you wouldn't say their innocent of a crime, you only know that if they do not get convicted of the crime they are not guilty in the eyes of the law. Same thing applies here, since there could be several answers that satisfy our assumptions made, we can not be certain that 1 of those assumptions is the REAL answer it's just AN answer.

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Is the sum of two integers always greater than the difference between them? Why or why not?

Sauron [17]

Yes because the gap is one less than the bigger of the two integers, plus you are adding a little bit more to the bigger integer so the sum will always be bigger than the difference.

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3 years ago

Choose the correct simplification of the expression (−2x 8y)(9x − 3y).−18x2 78xy − 24y218x2 78xy − 24y2−18x2 − 78xy 24y2−18x2 72

Sedbober [7]

The last one -18x2 72xy -24y2

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3 years ago

If you worked for 6 days for a total of 67.8 hours. If I worked the same number of hours each day, how many hours did I work in

Hunter-Best [27]

Hi there!

To solve this problem, we need to divide 67.8 by 6 to find the amount of hours each day.

67.8 / 6 = 11.3

You worked 11.3 hours each day.

Hope this helps!

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2 years ago

Pencils that were selling at three for 25 cents are now on sale at five for 29 cents. How much money, in cents, would you save b

natita [175]

Answer:

We would save $1.52 cents

Step-by-step explanation:

3 the pencil were at sale for 25 cent

1 pencil = 25 cent/3 =8.33 cent per one pencil

5 the pencil were at sale for 29 cent

1 pencil = 29 cent/5 =5.8 cent per one pencil

If we bought 60 pencil in group of 3 for 25 cent

=60/3= 20 pencil

25cents * 20 pencil = 500 cent per 60 pencil

If we bought 60 pencil in group of 5 for 29 cent

=60/5= 12 pencil

29cents * 12 pencil = 348 cent per 60 pencil

From the analysis, the 5 pencil for 29 cent is cheaper are we are going to save: 500-348= 152 cents

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3 years ago

Jaclyn is selling cookies for her club. She sells 2 boxes for $5. What unit rate expresses the cost per box?

Amiraneli [1.4K]

Divide 5 by 2 representing each box by the price. Which equals to $2.50 each box.

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3 years ago