Chapter 7, Section 7.2, Question E32 The heights of males in a population are approximately normally distributed with mean 69.2 inches and standard deviation 2.92. The heights of females in the same population are approximately normally distributed with mean 64.1 inches and standard deviation 2.75. a. Suppose one male from this age group is selected at random and one female is independently selected at random and their heights added. Find the mean and standard error of the sampling distribution of this sum. Mean = Standard deviation = (round to three decimal places) b. Find the probability that the sum of the heights is less than 125 inches. (round to four decimal places) c. What total heights are reasonably likely? (,) (round to two decimal places) d. What is the probability that the male is at least 2 inches taller than the female? (round to four decimal places)
Answers (1)
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “Chapter 7, Section 7.2, Question E32 The heights of males in a population are approximately normally distributed with mean 69.2 inches and ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers
You Might be Interested in
The chance of rain is 40%. What are the odds of rain?
Answers (2)
a cone and a sphere have the same volume. the height of the cone is 96 units. what would be the values for the radius of the cone and the sphere?
Answers (1)
4) Jeremy bought a new truck for $32,000. The value of the truck after t years can be represented by the formula V = 32,000 (.8) t. When will the truck be worth approximately $6700?
Answers (1)
If x = - 6, which inequality is true, - 5 - 3x > 10, - 3 - 5x < - 14 or 2-x < - 3?
Answers (1)
Joseph drove for hours at the speed of 40 km per hours he changed his speed to 65 km for the next 2 hours how far had Joseph driven in km
Answers (2)
New Questions in Mathematics
Nine friends are going to share 5 pounds of ice pop sticks equally. What fraction does each friend get? A. 4/5 pounds. B. 5/5 pounds. C. 4/9 pounds. D. 5/9 pounds.
Answers (1)
8/14 greater than less than or equal to 8/9
Answers (2)
A poll of 1700 randomly selected students in grades 6 through 8 was conducted and found that 53% enjoy playing sports. is the 53% result a statistic or a parameter? explain.
Answers (1)
What is the solution to the system of the equations? x = y - 3 x + 3y = 13
Answers (1)
Find the area of a circle with a circumference of / color{blue}{6/pi}6πstart color blue, 6, pi, end color blue.
Answers (1)