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If the data are pooled, the 48 "before" scores had an average of 7.48 and a standard deviation of 0.652. Assume that the "before" scores of people who have not seen any pictures has an average of 7.48 and a standard deviation of 0.652. Suppose 100 people are sampled and their scores averaged together. What is the probability that the average will be between 7.4 and 7.5? Suppose 3 people are sampled and their scores averaged together. What is the probability that the average will be between 7.4 and 7.5?
Write down all 8 arrangements of the sexes of three children. What is the probability of any one of these arrangements?
1. Define a pluralist approach to group theory and the elite critique.
Create a 90% confidence interval for the mean difference in memory score between students who study to Mozart and those who listen to no music at all. Interpret your interval.
the is the process of first stating the basic problem and then developing additional questions by subsequently
(a) What is the implied risk-free interest rate in this market? (b) What are the risk-neutral probabilities of each of the possible coin toss outcomes (heads, tails, edge)?
What is the real interest rate you expect to earn on your deposit over the next year?
Creek Ratz is a very popular restaurant located along the coast of northern Florida. They serve a variety of steak and seafood dinners. During the summer beach season, they do not take reservations or accept a call seating.
State the hypotheses that will help us determine whether a change occurred in the mean length of a work week. At a = .05 can the null hypothesis be rejected? What is your conclusion?
Write a short essay (up to 500 words) addressing some of the Puritan beliefs revealed by the works we have covered that led to tensions, conflicts, and concerns among the colonists and/or the Native Americans.
Without finding the confidence intervals, explain which one will have the larger margin of error.- Find both confidence intervals.
We wish to measure the average prevalence of a chemical in the population. The measurement is done by a blood test.
Pepsi wanted to test to determine if the males preferred Pepsi more than the females. (a) PConduct the appropriate test and describe the results (ick your own alpha value)
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