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...
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...
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...
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 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...
For a standard normal distribution, find the percentage of data that are within 1.5 standard deviations from the mean. Group of answer choices Question 1 0.11 pts For a standard normal distribution, find the percentage of data that are within 1.5 standard deviations from the mean. 43.32% 86.64% 93.32% 6.68%
(c) According to the empirical rule, 95% of days in the month will be between what two temperatures? MAT 152 OL1 Spring 2019 (1) Homework: 3.3 Measures from Grouped Data Score: 0.2 of 1 pt Emely Palacios 1/31/19 7:35 3 of 7 (6 complete) Hw Score: 67.14%, 4.7 3.3.5 EQuestion Help The following data represent the high-temperature distribution for a summer month in a city for some of the last 130 years. Treat the data as a population. Temperature (a)...