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![solubon.. el= 75000 = 1500 a) 68% of score lies to (within) lers and lets. - 75000 - 1500 and 75000 71500 = 73500] and 176500](http://img.homeworklib.com/questions/09e252c0-d60b-11ea-85f0-bb2a9277df70.png?x-oss-process=image/resize,w_560)
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The distribution of the annual income of mid-management at Everbright Battery approximates a normal distribution with...
0.In a normal distribution, plus and minus 2 standard deviations from the mean will include about...
0.In a normal distribution, plus and minus 2 standard deviations from the mean will include about what percent of the observations? A) 50% B) 99.7% C) 95% D)68% 21. What is the area under the normal curve between z -0.0 and z-2.0 A) 1.0000 B) 0.7408 C) 0.1359 D) 0.4770 22. Which of the following is NOT a characteristic of the normal probability distribution? A) Positively-skewed B) Bell-shaped C) Symmetrical D) Mean Mode and median are all equal 23. A...
Which is NOT a property of a normal distribution? A - Discrete X variables B -...
Which is NOT a property of a normal distribution? A - Discrete X variables B - Symmetrical distribution C - Bell-shaped distribution D -Approximately 68% of the scores fall between + and -1 standard deviation from the mean If the mean of a distribution is 84, the mode is 52 and the median is 58, the distribution is: A Positively skewed B Negatively skewed C Symmetric D Cannot tell from this information A few people do very poorly on a...
15.When a distribution is bell-shaped, approximately what percentage of data values will fall within 1 standard...
15.When a distribution is bell-shaped, approximately what percentage of data values will fall within 1 standard deviation of the mean? a. 50% c. 95% b. 68% d. 99.7% 21. If the mode is to the left of the median and the mean is to the right of the median, then the distribution is _________ skewed.
Consider a symmetric distribution which has two modes, a mean of 68 and standard deviation of...
Consider a symmetric distribution which has two modes, a mean of 68 and standard deviation of 6. Approximately what percentage of data lie between 56 and 80? A)95% B)75% C)5% D)13.5% E)68%
Consider a bell-shaped symmetric distribution with mean of 128 and standard deviation of 3. Approximately what...
Consider a bell-shaped symmetric distribution with mean of 128 and standard deviation of 3. Approximately what percentage of data lie between 119 and 128? A)68% B)99.7% C)49.85% D)47.5% E)95%
The mean of a normal probability distribution is 340; the standard deviation is 12. About 68%...
The mean of a normal probability distribution is 340; the standard deviation is 12. About 68% of the observations lie between what two values? About 95% of the observations lie between what two values? Practically all of the observations lie between what two values?
27. On a standardized test with a normal distribution, the mean was 64.3 and the standard...
27. On a standardized test with a normal distribution, the mean was 64.3 and the standard deviation was 5.4. What is the best approximation of the percent of scores that fell between 61.6 and 75.1? 28. The mean of a normally distributed set of data is 52 and the standard deviation is 4. Approximately 95% of all the cases will lie between which measures? 29. Battery lifetime is normally distributed for large samples. The mean lifetime is 500 days and...
The annual incomes of all MBA degree holders working in Los Angeles have a bell-shaped distribution...
The annual incomes of all MBA degree holders working in Los Angeles have a bell-shaped distribution with a mean of $67,000 and a standard deviation of $12,000. According to the empirical rule, the percentage of MBA degree holders working in Los Angeles who have an annual income of $55,000 to $79,000 is approximately A. 89% B. 68% C. 64% D. 86%
The mean of a normal probability distribution is 500; the standard deviation is 14. a. About...
The mean of a normal probability distribution is 500; the standard deviation is 14. a. About 68% of the observations lie between what two values? Value 1 Value 2 b. About 95% of the observations lie between what two values? value a Value 1 Value 2 c. Practically all of the observations lie between what two values? Value 1 Value 2
The mean of a normal probability distribution is 400; the standard deviation is 18. a. About...
The mean of a normal probability distribution is 400; the standard deviation is 18. a. About 68% of the observations lie between what two values? Value 1 Value 2 L b. About 95% of the observations lie between what two values? Value 1 Value 2 ences c. Practically all of the observations lie between what two values? Value 1 Value 2
0.In a normal distribution, plus and minus 2 standard deviations from the mean will include about what percent of the observations? A) 50% B) 99.7% C) 95% D)68% 21. What is the area under the normal curve between z -0.0 and z-2.0 A) 1.0000 B) 0.7408 C) 0.1359 D) 0.4770 22. Which of the following is NOT a characteristic of the normal probability distribution? A) Positively-skewed B) Bell-shaped C) Symmetrical D) Mean Mode and median are all equal 23. A...
27. On a standardized test with a normal distribution, the mean was 64.3 and the standard deviation was 5.4. What is the best approximation of the percent of scores that fell between 61.6 and 75.1? 28. The mean of a normally distributed set of data is 52 and the standard deviation is 4. Approximately 95% of all the cases will lie between which measures? 29. Battery lifetime is normally distributed for large samples. The mean lifetime is 500 days and...
The mean of a normal probability distribution is 500; the standard deviation is 14. a. About 68% of the observations lie between what two values? Value 1 Value 2 b. About 95% of the observations lie between what two values? value a Value 1 Value 2 c. Practically all of the observations lie between what two values? Value 1 Value 2
The mean of a normal probability distribution is 400; the standard deviation is 18. a. About 68% of the observations lie between what two values? Value 1 Value 2 L b. About 95% of the observations lie between what two values? Value 1 Value 2 ences c. Practically all of the observations lie between what two values? Value 1 Value 2
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