The heights of women in the U.S. have been found to be approximately normally distributed with...
The heights of high school sophomore boys are approximately normally distributed with a mean of 66 inches and a standard deviation of 4.2 inches. (I need help on number 4). What percent of boys are shorter than 5 foot tall? .766 What is the probability of choosing a boy who is 5’11” or taller? .1169 How tall would a boy be if he was in the 96th percentile of heights? 73.4 What is the first quartile of heights?
Assuming that the heights of college women are normally distributed with mean 67 inches and standard deviation 2.9 inches, answer the following questions. (Hint: Use the figure below with mean and standard deviation o.) Area Under a Normal Curve 19.5% 34% 3 - 30 -20 - + 95% 20% (a) What percentage of women are taller than 67 inches? (b) What percentage of women are shorter than 67 inches? (c) What percentage of women are between 64.1 inches and 69.9...
Assuming that the heights of college women are normally distributed with mean 62 inches and standard deviation 2.6 inches, answer the following questions. (Hint: Use the figure below with mean and standard deviation o.) Area Under a Normal Curve 34% 34% 13.5% 2.35% (a) What percentage of women are taller than 62 inches? 50 % (b) What percentage of women are shorter than 62 inches? (c) What percentage of women are between 59.4 inches and 64.6 inches? (d) What percentage...
The heights of adult men in America are normally distributed, with a mean of 69.5 inches and a standard deviation of 2.68 inches. The heights of adult women in America are also normally distributed, but with a mean of 64.4 inches and a standard deviation of 2.53 inches. a) If a man is 6 feet 3 inches tall, what is his z-score (to two decimal places)? z = b) What percentage of men are SHORTER than 6 feet 3 inches?...
Assume the heights of men 18 to 24 are approximately normally distributed with μ=70 inches, 3.0 is the standard deviation. A. What percent of men in this age group are taller than 74 inches? Z-score is _____ P-value__________ (hint give the percentage). B. What percent of men in this age group are taller than 65 inches? Z-score is _____ P-value__________ (hint give the percentage). C. What percent of men in this age group are shorter than 69 inches? Z-score is...
(1 point) The distribution of heights of adult men in the U.S. is approximately normal with mean 69 inches and standard deviation 2.5 inches. Use what you know about a normal distribution and the 68-95-99.7 rule to answer the following. NOTE: If your answer is a percent, such as 25 percent, enter: "25 PERCENT" (without the quotes). If your answer is in inches, such as 10 inches, enter 10 INCHES" (without the quotes and with a space between the number...
Women’s Heights Assume that Women’s heights are normally distributed with mean μ=63.6 in. and standard deviation σ=2.5 in. Use StatKey to answer the following questions. Include a screenshot from StatKey for each question. Find the percent of women with heights between 58.6 and 68.6 inches. Find the percent of women with heights between 60 inches and 65 inches. Find the height of a woman in the 95th percentile, (taller than 95% of other women.) Life Expectancy Part 4 From the...
(1 point) The distribution of heights of adult men in the U.S. is approximately normal with mean 69 inches and standard deviation 2.5 inches Use what you know about a normal distribution and the 68-95-99.7 rule to answer the following NOTE: If your answer is a percent, such as 25 percent, enter: "25 PERCENT" (without the quotes). If your answer is in inches, such as 10 inches, enter: "10 INCHES" (without the quotes and with a space between the number...