Use the given information below to answer the questions. Show ALL your work.
The heights of young men follow a Normal distribution with mean 69.3 inches and standard deviation 2.8 inches. The heights of young women follow a Normal distribution with mean 64.5 inches and standard deviation 2.5 inches.
Let M = the height of a randomly selected young man
W = the height of a randomly selected young woman
a.) Describe the shape, center, and spread of the distribution of M – W.
b.) Find the probability that a randomly selected young man is at least 2 inches taller than a randomly selected young woman.
Use the given information below to answer the questions. Show ALL your work. The heights of...
1.The heights of women aged 20 to 29 follow approximately the N(64, 2.76) distribution. Men the same age have heights distributed as N(69.3, 2.87). What percent of young women are taller than the mean height of young men? 2.The thorax lengths in a population of male fruit flies follow a Normal distribution with mean 0.785 millimeters (mm) and standard deviation 0.085 mm. What are the median and the first and third quartiles of thorax length? (a) Median: (b) The first...
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Suppose the heights of adult males in a population have a normal distribution with mean µ = 71 inches and standard deviation σ = 3 inches. Two unrelated men will be randomly sampled. Let X = height of the first man and Y = height of the second man. (a) Consider D = X − Y , the difference between the heights of the two men. What type of distribution will the variable D have? (b) What is the mean...
The heights of women aged 20 to 29 follow approximately the N(64, 2.81) distribution. Men the same age have heights distributed as N(69.3, 2.74). What percent of young women are taller than the mean height of young men? % please explain each step you take and how you got your solution . thank you
Heights of young women shows a normal distribution with an average of 65 (inches) and standard deviation of 2.5 (inches). - Question: What is the probability that a young woman has a height between 60 (inches) and 67.5 (inches)?
Data show that men between the ages of 20 and 29 in a general population have a mean height of 69.3 inches, with a standard deviation of 2.8 inches. A baseball analyst wonders whether the standard deviation of heights of major-league baseball players is less than 2.8 inches. The heights (in inches) of 20 randomly selected players are shown in the table.
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The heights of adult men in America are normally distributed, with a mean of 69.1 inches and a standard deviation of 2.69 inches. The heights of adult women in America are also normally distributed, but with a mean of 64.6 inches and a standard deviation of 2.55 inches. a) If a man is 6 feet 3 inches tall, what is his z-score (to two decimal places)? b) If a woman is 5 feet 11 inches tall, what is her z-score...