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makvit [3.9K]
2 years ago
8

For what value of x is r(x) = 22?​

Mathematics
2 answers:
Eduardwww [97]2 years ago
8 0

So you are solving for x? If so, I believe that your answer would be x=\frac{22}{r}.

Hope this helps! If not, feel free to explain further on this question/topic in the comments and I'll see what I can do to help you out further. Thanks and good luck!

STALIN [3.7K]2 years ago
4 0
FIND THE VALUE (x) = RATE
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3 years ago
A test of H0: p = 0.5 versus Ha: p > 0.5 has the test statistic z = 1.15. Part A: What conclusion can you draw at the 5% sign
Nadya [2.5K]

Answer:

Part A: The null hypothesis failed to be rejected.

Part B: The null hypothesis failed to be rejected.

Step-by-step explanation:

We have an hypothesis test with null and alternative hypothesis H0: p = 0.5 versus Ha: p > 0.5, which has the test statistic z=1.15.

Part A: If the significance level is 0.05, the conclusion depends on the P-value.

If the P-value is below 5%, the null hypothesis is rejected.

The P-value for this right-tailed tes and z=1.15 is:

P-value=P(z>1.15)=0.125

The P-value is bigger than the significance level, so the effect is not significant and the null hypothesis is failed to be rejected.

Part B: In this case, the significance level is 0.01 and, as the alternative hypothesis is defined with an unequal sign, the test is two-tailed.

This changes the way we calculate the P-value, as we need to compute the two tails.

The P-value is:

P-value=2P(z>1.15)=0.25

The P-value is bigger than the significance level, so the effect is not significant and the null hypothesis is failed to be rejected.

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3 years ago
A ladder is 12 feet long. The base of the ladder is placed 3 feet away from a wall and the top of the ladder rests against the w
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Answer:

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Step-by-step explanation:

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Read 2 more answers
This is just in case you need help.....
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