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nevsk [136]
3 years ago
13

I need help on this.

Mathematics
1 answer:
musickatia [10]3 years ago
5 0
It is C because the square root of 64 is 8 
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In testing the hypotheses H 0 colon space mu space equals space 800 space v s. space H 1 colon space mu not equal to space 800,
steposvetlana [31]

Answer:

The <em>p</em>-value is 0.0802.

Step-by-step explanation:

The hypothesis for a test is defined as:

<em>H₀</em>: <em>μ</em> = 800 vs. <em>Hₐ</em>: <em>μ</em> ≠ 800

A two tailed test for the population mean can be performed using a <em>z</em>-test or a <em>t</em>-test.

A <em>z</em>-test is used if the data provided has information related to the population standard deviation and the sample size is large, i.e. <em>n </em><u>></u> 30.

And if the population standard deviation is not known and the sample size is small, then the <em>t</em>-test will be used.

Since there is no information about either the population standard deviation or the sample size, assume that <em>z</em>-test is used.

The test statistic value is:

<em>z</em> = 1.75

Compute the <em>p</em>-value of the test as follows:

p-value=2\times P(Z>z)\\

               =2\times (1-0.9599)\\=2\times 0.0401\\=0.0802

*Use a <em>z</em>-table for the probability.

Thus, the <em>p</em>-value is 0.0802.

6 0
3 years ago
4.3-1.4 (p+7)=-9.7<br> find the equivalent to p
anyanavicka [17]
4.3-1.4(p+7)=-9.7
4.3-1.4p-9.8=9.7
4.3-1.4p=0.1
-1.4p=-4.2
p=3

Hope this helps :)
4 0
3 years ago
F+ 20 = -1<br> Solve the equation and check your solution
Leona [35]

Answer:

f=-21

Step-by-step explanation:

-21+20=-1

f has to be a negative number as the answer is negative and -21 is the only plug in that would make sence as the answer is negative one.

6 0
3 years ago
Find the equation of the linear function represented by the table below
Mariana [72]

Answer:

X-3=Y

Step-by-step explanation:

-3-3=-6

1-3=-2

5-3=2

9-3=6

4 0
3 years ago
Translate this phrase into an algebraic expression.Six less than the product of 13 and Mai's heightUse the variable m to represe
natima [27]

If m is the Mai's height you can write for the given description:

13m - 6

The previous expression means six less than the product of 13 and Mai's height.

6 0
1 year ago
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