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Life Spans of Fruit Flies
The life spans of a species of fruit fly have a bell-shaped distribution, with a mean of 33 days and a standard deviation of 4 days.
(a) The life spans of three randomly selected fruit flies are 34 days, 30 days, and 42 days. Find the z-score that corresponds to each life span. Determine whether any of these life spans are unusual.
(b) The life spans of three randomly selected fruit flies are 29 days, 41 days, and 25 days. Using the Empirical Rule, find the percentile that corresponds to each life span.
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question 1nbsp calculating a z-score and graphing a box plotnbsplook at the data under dietarysupp.nbsp the table gives
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In a regression analysis, a nurse researcher found a correlation of between pain relief scores and satisfaction with nursing care.
Calculate the expected value, variance, and standard deviation of the total income
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A maker of a certain brand of low fat cereal bars claims that the average saturated fat content is 0.5 grams. To check the claim, a random sample of 9 cereal bars of this brand were drawn, and the sample mean and sample standard deviation was found ..
Question 1What is the probability of winning a low, even, red, black, odd, or high bet in the game of American roulette? What is the probability of winning a bet placed on any one particular number, e.g., 33? Notice that under American roulette, ther..
Determine the z score and the area.
1. Imagine yourself at a fair playing one of the midway games. Pick a game and calculate the expected value and post your results along with how you calculated them. For example, you may decide to throw a basketball to try to win a $10 bear. You paid..
Empirical Research, Sampling Methods and Reliability - Identify a business research and define the research questions for the identified problem or opportunity
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