2) The average life of a special rechargeable battery Calculator that performs 45 functions is 700 hours A standard deviation of 37 hours. A sample of 50 b randomly selected, what percentage of the batter

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 12PPS
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2) The average life of a special rechargeable battery for a
Calculator that performs 45 functions is 700 hours, with
A standard deviation of 37 hours. A sample of 50 batteries is
randomly selected, what percentage of the batteries will last
more then 705 hours?
Transcribed Image Text:2) The average life of a special rechargeable battery for a Calculator that performs 45 functions is 700 hours, with A standard deviation of 37 hours. A sample of 50 batteries is randomly selected, what percentage of the batteries will last more then 705 hours?
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