6 Answered Questions for the topic normal probability distribution

Normal Probability Distribution Math Statistics Distribution

08/27/20

Assume that the readings at freezing on a batch of thermometers are normally distributed with a mean of 0°C and a standard deviation of 1.00°C. 
 A single thermometer is randomly selected and tested. Find P81, the 81-percentile. This is the temperature reading separating the bottom 81% from the top 19%.
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Normal Probability Distribution Math Statistics Distribution

08/27/20

Assume that the readings at freezing on a batch of thermometers are normally distributed with a mean of 0°C and a standard deviation of 1.00°C. 
 A single thermometer is randomly selected and tested. Find P81, the 81-percentile. This is the temperature reading separating the bottom 81% from the top 19%.
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Expert Answers •1
Normal Probability Distribution Statistics

06/28/19

Find the percentage of vehicles passing through this construction zone that are(a) Exceeding speed limit (b) traveling at a speed of 55 and 60 miles per hour.
a construction zone on a highway has a posted speed limit of 40 per hour. The speed of vehicles passing through this construction zone are normally distributed with a mean of 45 miles per hour and... more
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Normal Probability Distribution

12/19/18

The physical plant at the main campus of a large state university receives daily requests to replace florescent light-bulbs.

The distribution of the number of daily requests is bell-shaped and has a mean of 54 and a standard deviation of 6. Using the 68-95-99.7 rule, what is the approximate percentage of lightbulb... more
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Normal Probability Distribution

12/19/18

The heights of adult men in America are normally distributed, with a mean of 69.2 inches and a standard deviation of 2.66 inches.
The heights of adult women in America are also normally distributed, but with a mean of 64.3 inches and a standard deviation of 2.58 inches.a) If a man is 6 feet 3 inches tall, what is his z-score... more
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Normal Probability Distribution Statistics Math Help

12/19/18

Assume that the readings at freezing on a batch of thermometers are normally distributed with a mean of 0°C and a standard deviation of 1.00°C.

 A single thermometer is randomly selected and tested. Find P94, the 94-percentile. This is the temperature reading separating the bottom 94% from the top 6%.P94 = _______°C
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