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Colt1911 [192]
3 years ago
8

8. Stephanie is a very good soccer player. She can kick a soccer ball with an initial velocity of 21.3 m/sec. The function that

represents the height of the ball with respect to time is ℎ = −4.92 + 21.3. About how many seconds will it take for the ball to hit the ground?
Mathematics
1 answer:
Ad libitum [116K]3 years ago
5 0
The answer to your question is 16.38
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Answer:

B, C, and D

Step-by-step explanation:

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A medical researcher is working on a new treatment for a certain type of cancer. The average survival time after diagnosis for t
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Answer:

The suitable results are:

Option A: The alternative hypothesis could really be true but because the sample size is small, the power is very low so the researchers are likely to run an experiment whose results lead them to make a type II error.

Option D: Inasmuch there is no statistical evidence to accept the null hypothesis. The null hypothesis could be true and there is no difference between the new and standard treatments survival rate.

Explanation:

Below are the options  suitable for results:

Option A: The alternative hypothesis could really be true but because the sample size is small, the power is very low so the researchers are likely to run an experiment whose results lead them to make a type II error - Reason been that, as the sample size increase, so also does the power of the test increase. Therefore, because the power is too small, the researchers are likely to commit type 2 error.

Option D: Inasmuch there is no statistical evidence to accept the null hypothesis. The null hypothesis could be true and there is no difference between the new and standard treatments survival rate.

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irina1246 [14]

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Definition:

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f'(x)= \lim_\\ \ \\ \frac{f(x+h)-f(x)}{h} {h \to 0}

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Step-by-step explanation:

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