In the United States, men’s heights have mean of 69 inches, and standard deviation of 3 inches. Assume height is normally distributed. What is the probability that a randomly selected male will be between 66.45 and 72.75 inches tall?
In the United States, men’s heights have mean of 69 inches, and standard deviation of 3...
Men’s heights are normally distributed with a mean of 69.0 inches and a standard deviation of 2.8 inches. a) What is the probability that a man selected at random is at least 72 inches tall? Round the answer to 4 decimal places. b) The Mark VI monorail used at Disney World has doors with a height of 72 inches. What doorway height would allow 98% of adult men to fit without bending?
The Swedish population of men’s heights is approximately normally distributed with a mean of 69 inches and standard deviation of 3 inches. Find the proportion who are: a. Under 5 feet (60 inches) b. Over 6 feet (72 inches) c. Between 5 and 6 feet.
Men’s heights are normally distributed with a mean of 68.5 inches and standard deviation 2.2 inches. The U.S. Navy requires that fighter pilots have heights between 62 in. and 78 in. If the Navy changes the height requirements so that all men whose heights fall within the middle 82% of the population are eligible to be fighter pilots, what are the new requirements for men? Please show all your work and write your answer in a complete sentence. (7 points)
Heights of men are normally distributed with a mean of 69.0 inches and a standard deviation of 2.8 inches. What is the probability that a randomly selected group of 16 men have a mean height greater than 71 inches.
Assume that the heights of men are normally distributed with a mean of 70.9 inches and a standard deviation of 2.1 inches. If 36 men are randomly selected, find the probability that they have a mean height greater than 71.9 inches. 0.9979 0.0021 0.9005 0.0210
Assume that women's heights are normally distributed with a mean of 63.6 inches and a standard deviation of 2.5 inches. If 90 women are randomly selected, find the probability that they have a mean height between 62.9 inches and 64.0 inches. Write your answer as a decimal rounded to 4 places.
The heights of 20- to 29-year-old males in the United States are approximately normal, with mean 70.4 in. and standard deviation 3.0 in. Round your answers to 2 decimal places. a. If you select a U.S. male between ages 20 and 29 at random, what is the approximate probability that he is less than 69 in. tall? The probability is about_______ %. b. There are roughly 19 million 20- to 29-year-old males in the United States. About how many are...
Suppose the heights of 18-year-old men are approximately normally distributed, with mean 68 inches and standard deviation 5 inches. (a) What is the probability that an 18-year-old man selected at random is between 67 and 69 inches tall? (Round your answer to four decimal places.) (b) If a random sample of thirteen 18-year-old men is selected, what is the probability that the mean height x is between 67 and 69 inches? (Round your answer to four decimal places.)
Suppose the heights of 18-year-old men are approximately normally distributed, with mean 69 inches and standard deviation 1 inch. If a random sample of thirty 18-year-old men is selected, what is the probability that the mean height x is between 68 and 70 inches? (Round your answer to four decimal places.)
Assume that the height of men are normally distributed with a mean of 69.8 inches and a standard deviation deviation of 3.5 inches. If 100 men are randomly selected, find thr probability that they have a mean height greater than 69 inches. Asume that the heights of men are normally distributed with a mean of 69.8 inches and a standard deviation of 3.5 inches of 100 men wa randomly selected in the probability that they have a meaning greater than...