56 Answered Questions for the topic Distribution
10/27/15
Student t Distribution Problem
Question/Problem:
Data Set 1 in Appendix B lists the white blood cell counts (1000 cells/µL) of 40 randomly selected women. The mean of those 40 values is 7.15 and the standard deviation is 2.28....
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Distribution
08/06/15
suppose that Z has the standard normal distribution. Find P(Z>1)
Find P(Z>1)
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03/31/15
Compute the Mean & Standard Deviation from percentile values of a distribution
I have been given values for 10%, 50% and 90% of a distribution. From these numbers, how can I compute the mean and standard deviation?
I'll give an example....Temperature distribution
10th...
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03/06/15
Statistics problem about large samples and normal distribution
A researcher has collected a large sample of IQ scores from his friends and relatives. He claims that because his sample is large and the distribution of his sample scores is very close to the bell...
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Distribution
02/19/15
Length of a human pregnancy is 9 months. Mean is 266 days and standard deviation 16 days. What percentage of pregnancies last less than 250 days?
Length of a human pregnancy is 9 months. Mean is 266 days and standard deviation 16 days. What percentage of pregnancies last less than 250 days?
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01/08/15
How much of the $29.25 should Ron receive?
Steve, Jerry, and Ron were paid $29.25 to remove garden gnomes. They each worked four hours, except for Ron, who was 45 minutes late. How much of the $29.25 should Ron receive?
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