Answer:
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Step-by-step explanation:
Answer:
The p-value is 0.0229
Step-by-step explanation:
With
we have an upper-tail alternative. Because the p-value is defined as the probability of getting a value at least as extreme as the value observed. The observed value is given by the test statistic z = 1.997 which comes from a standard normal distribution. Therefore, we compute the p-value in the following way P(Z > 1.997) = 0.0229, i.e., the p-value is 0.0229
Answer: 4 ways
Step-by-step explanation:
Given : A team consisting of Persephone, Neptune, Ares, and Roger need to select one person to be team captain.
The number of people in the team = 4
The number of ways to select the team captain from 4 members is given by :-

Hence, there are 4 ways to select team captain.
<span>The survey had a sample and response bias. The survey only randomly selected sophomore students, when it needed to be a thorough survey of children in the LA school district, so the sample size is neither large enough or relevant. Secondly, because the survey was administered by the parents of the students, the students surveyed will be more likely to over-report their activity level.</span>