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Suppose that the dividends of dividend-paying stocks are normally distributed with a mean of 3.86% (as a percentage of the share price) and a standard deviation of 1.25%. In a sample of 55 dividend-paying stocks, what is the probability that the average dividend will be 3.70% or more? (Please round your answer to 4 decimal places)
let x denote the number of heads obtained when a fair coin is tossed 4 times.a what is ex and varx?b repeat 10 times
the tables below summarize the surgery survival rate for two hospitals grouped according to patient condition prior to
The average number of television sets in the sample households turns out to be 1.86, and the SD is 0.86. Find a 95% confidence interval for the average number of television sets per household.
Find, as Cardano did, the expected total without finding its distribution - Large prizes were given for large totals with a modest fee to play the game. Explain why this could be done.
A market research company surveyed consumers to determine their ranked preferences of energy drinks among the brands Monster, Red Bull, and Rockstar.
the mean annual salary of public classroom teachers is 49000. assume the standard deviation is 9200. do the following
Explain the basis for the cause of action, and analyze the merits of the cause of action, employer defenses, and likely outcome. Support your response with applicable law.
Explain what is meant by subjective probability. Research the Internet, and provide a business-related example in which subjective probability assessment would likely be used (be sure to cite your sources).
Discuss possible study designs. Which of the designs would we use to test our research hypothesis?
Which correlation coefficient Pearson's correlation or spearman rank correlation is the best describe the relationship between the two variables?
If x is a binomial random variable where n=100 and p=.1, find the probability that x is less than or equal to 11 using the normal approximation to the binomial.
In a survey of 2769 adults, 1441 say they have started paying bills online in the last year.Construct a 99% confidence interval for the population proportion. Interpret the results.
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