A reporter determines a baseball player’s batting average, which is a ratio of the number of hits to number of times at bat. The
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Answer:
you<u> accept </u>the alternative hypothesis
Step-by-step explanation:
The null and alternative hypothesis can be computed as follows:
The sample proportion
The test statistics can be computed as:
Z = -2.5
The P-value = 2( Z< -2.5)
From the tables;
The P-value = 2 (0.0062)
The P-value = 0.0124
The significance level = 0.01
Since the P-value is > significance level; we fail to reject the null hypothesis.
Conclusion: we accept the alternative hypothesis
Answer: D: The model predicts that a person who does not walk each day will score about 48.1 on the test.
Step-by-step explanation:
Given: A psychologist collects data on the time, w, in minutes, people walk each day and their scores, t ,on a stress test.
She finds that there is a negative linear association between w and t that is best modeled by the equation .
When we put w=0 minutes, t=48.1
It implies that if any patient doesn't walk will score 48.1.
Hence, the model predicts that a person who does not walk each day will score about 48.1 on the test.
Answer:
Each minute Seung fills one less bag than Razi.
Step-by-step explanation:
Find the rate of change.
<u>Razi's rate of change:</u>
<u>Seung's rate of change:</u>
This means Razi packs 4 bags per minute, Seung packs 3 bags per minute.
<u>Difference</u> = 4 - 3 = 1 bag
Each minute Seung fills one less bag than Razi.