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September 18, 2014

September 18, 2014

Posted by **Matt** on Wednesday, April 24, 2013 at 8:37pm.

If we select 88 students (ASSUME INDEPENDENCE), what is the Standard Deviation of (the Probability Distribution that would list the number of students (from 0 to 88) and the probability of each.) THE STANDARD DEVIATION IS WHAT IS BEING ASKED

If the answer cannot be calculated, enter zero (0) as your answer.

Round to 4 decimal places otherwise. YES, you need, therefore, to look at the 5th decimal place.

- statistics -
**mk.**, Friday, April 26, 2013 at 5:35amThe manager of a local gym has determined that the length of time members spend at the gym is a normally distributed variable with a mean of 80 minutes and a standard deviation of 20 minutes.

What proportion of members spend less than 55 minutes at the gym?

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