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HW5 Continuous and Normal Random Variables Part1: Probler Previous Problem Problem List Next Problem (1 point)...
(1 point) The distribution of heights of adult men in the U.S. is approximately normal with...
(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...
(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...
(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...
HW5 Continuous and Normal Random Variables Part1: Probl Previous Problem Problem List Next Problem (1 point)...
HW5 Continuous and Normal Random Variables Part1: Probl Previous Problem Problem List Next Problem (1 point) A new car that is a gas- and electric-powered hybrid has recently hit the market. The distance travelled on 1 gallon of tuel is normally distnibuted with a mean of 55 miles and a standard deviation of 7 miles. Find the probability of the following events A The car travels more than 62 miles per gallon. Probability B. The car travels less than 47...
HW5 Continuous and Normal Random Variables Part1: Problen Previous Problen Problem Lst Next Problem (1 point)...
HW5 Continuous and Normal Random Variables Part1: Problen Previous Problen Problem Lst Next Problem (1 point) The extract ofja plant native to Tawan has been tested as a possible treatment for Leukemia One of the chemical compounds produced from the plant was analyzed for a particular collage deviation of 9.5 grams per mililiter n. The collagen amount was tound to be normally distributed with a mean of 76 and standard (a) What is the probability that the amount of collagen...
ST231 S20 HW6: Problem 4 Previous Probler Problem List Next Problem (1 point) Do male and...
ST231 S20 HW6: Problem 4 Previous Probler Problem List Next Problem (1 point) Do male and female skiers differ in their tendency to use a ski helmet? Ruzic and Tudor (2011) report a study in which 710 skiers completed a survey about aspects of their skiing habits. Suppose the results from the question on the survey about ski helmet usage were as follows: Helmet Usage Never Occasionally Always 231 80 183 106 33 77 Gender Male Female Ruzic, L. and...
(1 point) Suppose that f(x) is the (continuous) probability density function for heights of American men, in inches...
(1 point) Suppose that f(x) is the (continuous) probability density function for heights of American men, in inches, and suppose that f(69) Think carefully about what the meaning of this mathematical statement is 0.21. (a) Approximately what percent of American men are between 68.5 and 69.5 inches tall? Approximately 21 percent. (b) Suppose F(h) is the cumulative distribution function off.if F(69) = 0.5, estimate each of F(68.5) F(68)
Normal Distributions Homework: Problem 20 Previous Problem List Next (1 point) Scores on a certain intelligence...
Normal Distributions Homework: Problem 20 Previous Problem List Next (1 point) Scores on a certain intelligence test for children between ages 13 and 15 years are approximately normally distributed with u = 101 and 21. (a) What proportion of children aged 13 to 15 years old have scores on this test above 83 ? (NOTE: Please enter your answer in decimal form. For example, 45.23% should be entered as 0.4523.) Answer: (b) Enter the score which marks the lowest 20...
Please help with these questions. Will give thumbs up top rating! thank you (1 point) The...
Please help with these questions. Will give thumbs up top
rating! thank you
(1 point) The times for the mile run of a large group of male college students are approximately Normal with mean 7.02 minutes and standard deviation 0.72 minutes. Use the 68-95-99.7 rule to answer the following questions. (Start by making a sketch of the density curve you can use to mark areas on.) (a) what range of times covers the middle 99.7% of this distribution? (b) What...
Need help with this assignment. Any help is appreciated. This has to be written clearly so i can ...
Need help with this assignment. Any help is appreciated. This
has to be written clearly so i can see it & in good english.
For the directions don't do step 3. Need this done ASAP!
Statistics: Problem Set2 Directions: 1. Solve the following problems. Hand write your solutions and explanations on your own paper. Do not write answers on this page. Show your work AND explain your reasoning using complete English sentences. Explanations must directly follow the solution for each...
answer all questions associated with this problem!! Américalis to ge 1. From 1976-1980 the Public Health...
answer all questions associated with this problem!!
Américalis to ge 1. From 1976-1980 the Public Health Service surveyed 20,322 Americans to ge information about their health and habits. The survey found that the mean height for women ages 18-74 was 63.5 inches, or 5 feet 3 inches tall. The standard deviation was 2.5 inches. 2.5 inches to label the Normal distribution a. Use the fact that curve below: 63.5 inches and ơ 50 25 in b. Use the labeled distribution...
(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...
(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...
HW5 Continuous and Normal Random Variables Part1: Probl Previous Problem Problem List Next Problem (1 point) A new car that is a gas- and electric-powered hybrid has recently hit the market. The distance travelled on 1 gallon of tuel is normally distnibuted with a mean of 55 miles and a standard deviation of 7 miles. Find the probability of the following events A The car travels more than 62 miles per gallon. Probability B. The car travels less than 47...
HW5 Continuous and Normal Random Variables Part1: Problen Previous Problen Problem Lst Next Problem (1 point) The extract ofja plant native to Tawan has been tested as a possible treatment for Leukemia One of the chemical compounds produced from the plant was analyzed for a particular collage deviation of 9.5 grams per mililiter n. The collagen amount was tound to be normally distributed with a mean of 76 and standard (a) What is the probability that the amount of collagen...
ST231 S20 HW6: Problem 4 Previous Probler Problem List Next Problem (1 point) Do male and female skiers differ in their tendency to use a ski helmet? Ruzic and Tudor (2011) report a study in which 710 skiers completed a survey about aspects of their skiing habits. Suppose the results from the question on the survey about ski helmet usage were as follows: Helmet Usage Never Occasionally Always 231 80 183 106 33 77 Gender Male Female Ruzic, L. and...
(1 point) Suppose that f(x) is the (continuous) probability density function for heights of American men, in inches, and suppose that f(69) Think carefully about what the meaning of this mathematical statement is 0.21. (a) Approximately what percent of American men are between 68.5 and 69.5 inches tall? Approximately 21 percent. (b) Suppose F(h) is the cumulative distribution function off.if F(69) = 0.5, estimate each of F(68.5) F(68)
Normal Distributions Homework: Problem 20 Previous Problem List Next (1 point) Scores on a certain intelligence test for children between ages 13 and 15 years are approximately normally distributed with u = 101 and 21. (a) What proportion of children aged 13 to 15 years old have scores on this test above 83 ? (NOTE: Please enter your answer in decimal form. For example, 45.23% should be entered as 0.4523.) Answer: (b) Enter the score which marks the lowest 20...
Please help with these questions. Will give thumbs up top
rating! thank you
(1 point) The times for the mile run of a large group of male college students are approximately Normal with mean 7.02 minutes and standard deviation 0.72 minutes. Use the 68-95-99.7 rule to answer the following questions. (Start by making a sketch of the density curve you can use to mark areas on.) (a) what range of times covers the middle 99.7% of this distribution? (b) What...
Need help with this assignment. Any help is appreciated. This
has to be written clearly so i can see it & in good english.
For the directions don't do step 3. Need this done ASAP!
Statistics: Problem Set2 Directions: 1. Solve the following problems. Hand write your solutions and explanations on your own paper. Do not write answers on this page. Show your work AND explain your reasoning using complete English sentences. Explanations must directly follow the solution for each...
answer all questions associated with this problem!!
Américalis to ge 1. From 1976-1980 the Public Health Service surveyed 20,322 Americans to ge information about their health and habits. The survey found that the mean height for women ages 18-74 was 63.5 inches, or 5 feet 3 inches tall. The standard deviation was 2.5 inches. 2.5 inches to label the Normal distribution a. Use the fact that curve below: 63.5 inches and ơ 50 25 in b. Use the labeled distribution...
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