LW02NormalDistribution

# - Lecture Worksheet#2 Name Section 1 A sample of temperatures from a dolphin pool at Mystic Aquarium was found to be normally distributed with a

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Name:____________________________________ Section:___________________ 1. A sample of temperatures from a dolphin pool at Mystic Aquarium was found to be normally distributed with a mean of 72.4 degrees (F) and a standard deviation of 2.6 degrees (F). Represent the data with a normal curve and label the horizontal axis in standard deviation units. Approximately what percentage of the time are the temperatures in the pool a. greater than 75 degrees? b. below 67.2 degrees? c. Between 67.2 and 77.6 degrees? d. Between 67.2 and 75 degrees? e. Above 76 degrees? (You can only guess at this one!!) f. If a temperature above 77.6 is unacceptable (too warm), what percent of the time is the temperature too warm? 2. For each example, draw the curve, shade the are you want to find, and use the standard normal table to find the area: a. To the left of -1.83. b. To the left of 2.57. c.

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## This note was uploaded on 04/08/2008 for the course STAT 110 taught by Professor Mclaughlin during the Spring '08 term at UConn.

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- Lecture Worksheet#2 Name Section 1 A sample of temperatures from a dolphin pool at Mystic Aquarium was found to be normally distributed with a

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