suppose the mean of a data set is 68.9 and the standard deviation is 1. find...
Scores on a test are normally distributed with a mean of 63.2 and a standard deviation of 11 7 Find P81 , which separates the bottom 81% from the top 19%, Round to two decimal places. O A. 66.60 O B. 0.29 ОС. 088 O D. 73.47
Scores on a test are normally distributed with a mean of 63.2 and a standard deviation of 11 7 Find P81 , which separates the bottom 81% from the top 19%, Round to...
Scores on a test are normally distributed with a mean of 63.2 and a standard deviation of 11.7. Find P81, which separates the bottom 81% from the top 19%. Round to two decimal places. A. 0.88 B. 73.47 C. 66.60 D. 0.29
Scores on a test are normally distributed with a mean of 63 2 and a standard deviation of 117 Find P81, which separates the bottom 81% from the top 19% Round to two decimal places A 73.47 OB. 029 OC. 6660 OD. 0.88 Click to select your answer
Scores on a test are normally distributed with a mean of 65 and a standard deviation of 10. Find the score to the nearest whole number which separates the bottom 81% from the top 19%. A. 88 B. 68 C. 56 D 74
Solve the problem. Round to the nearest tenth unless indicated otherwise. Scores on a test are normally distributed with a mean of 70 and a standard deviation of 11.5. Find P81, which separates the bottom 81% from the top 19% O 0.88 O 73.3 O 0.291 O 80.1
11) Suppose the mean test score is 45 with a standard deviation of 9. What is the score which separates the top 3% from the bottom 97%?
A population data set has a mean of 81 and a standard deviation of 5.2. Find the z-scores for each of the following. Round to the nearest hundredth. (a) x = 74 (b) x = 85
15) Assume that z scores are normally distributed with a mean of 0 and a standard deviation 15) of 1. If P(z> c) 0.109, find c. olve the problem. 16) 16) Scores on an English test are normally distributed with a mean of 37.4 and a standard deviation of 7.9. Find the score that separates the top 59% from the bottom 41% 17) Suppose that replacement times for washing machines are normally distributed with a 17) mean of 10.9 years...
1.A distribution of values is normal with a mean of 6.3 and a standard deviation of 83.3. Find P57, which is the score separating the bottom 57% from the top 43%. P57 = 2.A distribution of values is normal with a mean of 180.3 and a standard deviation of 20.5. Find P71, which is the score separating the bottom 71% from the top 29%. P71 =
Problem 3. (1 point) Consider the following data set. Find the mean and standard deviation. Data set: 37, 78, 69, 38, 59, 26,51 Mean: Standard deviation: Note: You can earn partial credit on this problem.