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Degger [83]
3 years ago
15

Find the missing number 1:2 = 3: ____

Mathematics
1 answer:
Llana [10]3 years ago
8 0
1:2=3:6
the missing number is 6
:)
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romanna [79]

Answer: The p-value is 0.154.

Step-by-step explanation:

Since we have given that

We claim that

Null hypothesis :

H_0:\mu=20

Alternate hypothesis :

H_1:\mu

Population mean = 20 hours

Sample mean = 18.5 hours

Sample standard deviation = 4.3 hours

Sample size n = 35

So, test statistic would be

z=\dfrac{\bar{X}-\mu}{\dfrac{\sigma}{\sqrt{n}}}\\\\z=\dfrac{18.5-20}{\dfrac{4.3}{\sqrt{35}}}\\\\z=\dfrac{-1.5}{0.726}\\\\z=-2.066

So, the  p value would be 0.154.

Hence, the p-value is 0.154.

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3 years ago
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I have worked out the answer to the question, I hope it helps you. Please do not forget to check if this answer if reliable, I am not always correct

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Alecsey [184]
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3 years ago
GET IT RIGHT OR GET BANNED LOL!!​
frutty [35]

Answer:

The last one

Step-by-step explanation:

The last one shows x being multiplied by 0.28, which is the product

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