According to the Empirical Rule, what percentage of a normal population falls between 2 standard deviations left of the mean and 3 standard deviations right of the mean?
According to the Empirical Rule, what percentage of a normal population falls between 2 standard deviations...
What percentage of the area under the normal curve falls between ±1, ±2, and ±3 standard deviations? Illustrate it in a single curve. (0.5 Points)
According to the 68-95-99.7 rule what percent of the population are more than 2 standard deviations away from the mean? A) 5 B) 2.5 c) 95 d) 68
The body temperatures of a group of healthy adults have a bell-shaped distribution with a mean of 98.08°F and a standard deviation of 0.53°F. Using the empirical rule, find each approximate percentage below. a. What is the approximate percentage of healthy adults with body temperatures within 2 standard deviations of the mean, or between 97.02°F and 99.14°F? b. What is the approximate percentage of healthy adults with body temperatures between 97.55°F and 98.61°F a. Approximately _______ % of healthy adults in this group...
4 2. ONLY ANSWER QUESTION 3 According to the empirical rule, approximately what percentage of normally distributed data lies within one standard deviation of the mean? 3. The following random sample of 28 female basketball player heights, in inches, is: 63 71 69 65 73 84 70 69 67 74 75 68 65 63 67 69 68 72 73 75 72 75 73 68 69 74 65 65 What is the shape of the this box plot?
2. ONLY ANSWER QUESTION 3 According to the empirical rule, approximately what percentage of normally distributed data lies within one standard deviation of the mean? 3. WHAT IS THE ALTERNATIVE HYPOTHESIS below? A manufacturer claims that 10% of women using the "pill" suffer from side effects. The Federal Drug Administration (FDA) believes that the manufacturer's claim is too low and decides to test the manufacturer's claim at α = 5 %. A random sample of 900 women who use the manufacturer's...
2. ONLY ANSWER QUESTION 3 According to the empirical rule, approximately what percentage of normally distributed data lies within one standard deviation of the mean? 3. An auto manufacturer claims that its new 4-cylinder Hybrid auto with manual shift averages 50 mpg under city driving conditions. A Federal Agency believes this claim is too high and decides to randomly test 25 of the manufacturer's 4-cylinder Hybrid autos with manual shift. The Agency determines the mean average mpg for the sample...
The body temperatures of a group of healthy adults have a bell-shaped distribution with a mean of 98.31°F and a standard deviation of 0.41°F. Using the empirical rule, find each approximate percentage below. a. What is the approximate percentage of healthy adults with body temperatures within 3 standard deviations of the mean, or between 97.08°F and 99.54°F? b. What is the approximate percentage of healthy adults with body temperatures between 97.49°F and 99.13°F?A.) Approximately __ % of healthy adults in this group...
Consider a population of 1024 mutual funds that primarily invest in large companies. You have determined that μ, the mean one-year total percentage return achieved by all the funds, is 8.00 and that ơ, the standard deviation, is 1.75. Complete (a) through (c). a. According to the empirical rule, what percentage of these funds is expected to be within ±2 standard deviations of the mean? b. According to the Chebyshev rule, what percentage of these funds are expected to be within ±6...
Consider a population of 1,024 mutual funds that primarily invest in large companies. You have determined that μ, the mean one-year total percentage return achieved by all the funds, is 8.20 and that σ, the standard deviation, is 2.75. a. According to the empirical rule, what percentage of these funds is expected to be within ±1 standard deviation of the mean? b. According to the empirical rule, what percentage of these funds is expected to be within ±2 standard deviations of the...
__________I. According to the Empirical rule, 68.26% of the data (within one standard deviation of the mean) would fall between what two values for a population with mean of 816 and standard deviation of 248? 568 and 1,064 B) 320 and 1,312 C) 748 and 884 D) 72 and 1,560 ___________II. The mean age of all students at a university is 24 years. The mean age of a random sample of 100 students selected from this university if 23.6 years....