24. The prices of new homes are distributed normally with mean $150,000 and standard deviation $1,700....
Suppose that prices of a certain model of new homes are normally distributed with a mean of $150,000. Find the percentage of buyers who paid less than $153,264 if the standard deviation is $1600. Answer in decimal form.
A set of laptop prices are normally distributed with a mean of $750 and a standard deviation of $60. What percentage of the laptop prices are between $624 and $768? Question 3 options: a) 75% b) 45% c) 53% d) 60%
all questions. Do not round answers 1. IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. a. What percentage of scores is between 55 and i 15? b. In a group of 20,000 randomly selected individuals, how many have an IQ score of 130 or more? 2. A Honda Civic has its gas mileage (in miles per gallon, or mpg) normally distributed, with a mean of 33 mpg and a standard deviation of...
Housing prices in a large neighborhood are normally distributed with a mean of $166,500 and a deviation of $3,625. What percentage cost more than $170,000?
6.92 A variable is normally distributed with mean 0 and standard deviation 4 a. Determine and interpret the quartiles of the variable. b. Obtain and interpret the second decile. c. Find the value that 15% of all possible values of the variable exceed. d. Find the two values that divide the area under the correspond- ing normal curve into a middle area of 0.80 and two outside areas of 0.10. Interpret your answer. 6.95 New York City 10-km Run. As...
12A survey found that women's heights are normally distributed with mean 63.3 in. and standard deviation 2.3 in. The survey also found that men's heights are normally distributed with a mean 67.3 in. and standard deviation 92.9. Complete parts a through c below. The percentage of women who meet the height requirement is ____ Find the percentage of men meeting the height requirement. _____ If the height requirements are changed to exclude only the tallest 5% of men and the...
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...
Heights of men are normally distributed with a mean of 176 cm and a standard deviation of 7 cm. What is the approximate percentage of men greater than 155 cm?
For bone density scores that are normally distributed with a mean of 0 and a standard deviation of 1, find the percentage of scores that are a. significantly high (or at least 2 standard deviations above the mean). b. significantly low (or at least 2 standard deviations below the mean). c. not significant (or less than 2 standard deviations away from the mean). a. The percentage of bone density scores that are significantly high is
In a normally distributed data set with a mean of 22 and a standard deviation of 4.1, what percentage of the data would be between 17.9 and 26.1? a)95% based on the Empirical Rule b)99.7% based on the Empirical Rule c)68% based on the Empirical Rule d)68% based on the histogram