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Kaylis [27]
3 years ago
13

Is the sample mean difference within the confidence interval you computed in part A of this task?

Mathematics
2 answers:
Alenkasestr [34]3 years ago
6 0

Answer:

xit the problem

Step-by-step explanation:

Alex Ar [27]3 years ago
5 0
Not sure so sorry ...........
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A ski slope drops 30 feet for every horizontal 70 feet
ASHA 777 [7]
The angle of depression is

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3 years ago
How do I find the mean of these numbers
pshichka [43]

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add all of them together (x and y’s) the divide the sum by the amt of numbers

Step-by-step explanation:

8 0
2 years ago
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How many vertical asymptotes exist for this function?
marin [14]
Remember that to find the vertical asymptotes of rational functions, we just need to set the denominator equal to zero and solve for the variable, in this case x, so lets do it:
(x-4)(x+1)=0
x=4,x=-1

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5 0
3 years ago
A researcher plans to conduct a significance test at the 0.01 significance level. She designs her study to have a power of 0.90
Rasek [7]

Answer: 0.10

Step-by-step explanation: The type 2 error is committed when the alternative hypothesis is rejected when it should have been accepted causing the researcher to accept the null hypothesis which is false.

Power is the probability of avoiding a type 2 error. That is ;

Power = 1 - P(type 2 error)

Given that power = 0.90 ; P(type 2 error) = probability of committing a type 2 error.

P(type 2 error)' = 1 - P(type 2 error) = Probability of not committing or avoiding a type 2 error

0.90 = 1 - P(type 2 error)

P(type 2 error) = 1 - 0.90

P(type 2 error) = 0.10

6 0
3 years ago
If a 40-m rope is cut into two pieces in the ratio 3:5 how long is each piece
Vinvika [58]
3:5.....added = 8

3/8(40) = 120/8 = 15 m <== one piece
5/8(40) = 200/8 = 25 m <== the other piece
6 0
3 years ago
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