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
In a normally distributed data set with a mean of 22 and a standard deviation of...
SAT verbal scores are normally distributed with a mean of 489 and a standard deviation of 93. Use the empirical rule (also called 68-95-99.7 rule) to determine what percentage of the scores lie. a) between 210 and 675. b). Above 675?
Suppose a normally distributed set of data has a mean of 172 and a standard deviation of 15. Use the 68-95-99.7 rule to determine the percent of scores in the data set expected to be between the scores 142 and 187. Give your answer in decimal form and keep all decimal places throughout your calculations and in your final answer.
Intelligence quotients on the Stanford-Binet intelligence test are normally distributed with a mean of 100 and a standard deviation of 16. Use the 68-95-99.7 rule to find the percentage of people with the following IQs:a.) between 84 and 100b.) below 52
Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 25. Use the 68-95-99.7 rule to find the following quantities.
Assume that a set of test scores is normally distributed with a mean of 100 100 and a standard deviation of 15 15. Use the 68-95-99.7 rule to find the following quantities. a. The percentage of scores less than 100 is 50%. (Round to one decimal place as needed.) b. The percentage of scores greater than 115%. ___ (Round to one decimal place as needed.) c. The percentage of scores between 70 and 115%. ___ (Round to one decimal place...
GPAs at CCCOnline are normally distributed with a mean of 2.25 and a standard deviation of 0.46. Find the z-score for a GPA of 3.13. 1.087 1.804 0.8478 1.913 1.261 1.109 Adult men have heights with a mean of 69.0 inches and a standard deviation of 8 inches. Find the z-score of a man 76.9 inches tall. (to 2 decimal places) The physical plant at the main campus of a large state university recieves daily requests to replace florecent lightbulbs....
A population is normally distributed with a mean of 55 and a standard deviation of 4. Using the Empirical Rule, approximately what percentage of data values fall between 51 and 59? Please show your calculations.
Scores on a test are normally distributed with a mean of 70 and standard deviation of 10. Applying the Empirical Rule, we would expect the middle 95% of scores to fall between what two values? 40 and 100 50 and 90 55 and 85 60 and 80 65 and 75
Assume the resting heart rates for a sample of individuals are normally distributed with a mean of 80 and a standard deviation of 20. Use the 68-95-99.7 rule to find the following quantities. a. The relative frequency of rates less than 120 using the 68-95-99.7 rule is what rounded to three decimals?
A set of exam scores is normally distributed with a mean = 82 and standard deviation- 5 Use the Empirical Rule to complete the following sentences. 68% of the scores are between and 95% of the scores are between and 99.7% of the scores are between and Get help: Video Box 1: Enter your answer as an integer or decimal number. Examples: 3, -4, 5.5172 Enter DNE for Does Not Exist, oo for Infinity Box 2: Enter your answer as...