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Suppose that the distribution of typing speed in words per minute (wpm) for experienced typists using a new type of split keyboard can be approximated by a normal curve with mean 76 wpm and standard deviation 19 wpn n USE SALT (a) Suppose that two typists are independently selected. What is the probability that both their typing speeds exceed 95 wpm? (Round your answer to four decimal places.) (b) Suppose that special training is to be made available to the slowest 20% of the typists. What typing speeds would qualify individuals for this training? (Round your answer to the nearest whole number.) ........... ....... People with typing speeds of wpm and --Select-- would qualify for the training. Select- above below

Suppose that the distribution of typing speed in words per minute (wpm) for experienced typists using a new type of split keyboard can be approximated by a normal curve with mean 76 wpm and standard deviation 19 wpn n USE SALT (a) Suppose that two typists are independently selected. What is the probability that both their typing speeds exceed 95 wpm? (Round your answer to four decimal places.) (b) Suppose that special training is to be made available to the slowest 20% of the typists. What typing speeds would qualify individuals for this training? (Round your answer to the nearest whole number.) ........... ....... People with typing speeds of wpm and --Select-- would qualify for the training. Select- above below

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Suppose that the distribution of typing speed in words per minute (wpm) for experienced typists using a new type of split keyboard can be approximated by a normal curve with mean 76 wpm and standard deviation 19 wpm. n USE SALT (a) Suppose that two typists are independently selected. What is the probability that both their typing speeds exceed 95 wpm? (Round your answer to four decimal places.) (b) Suppose that special training is to be made available to the slowest 20% of the typists. What typing speeds would qualify individuals for this training? (Round your answer to the nearest whole number.) People with typing speeds of wpm and -Select--- v would qualify for the training. -Select- above below
Transcribed Image Text:Suppose that the distribution of typing speed in words per minute (wpm) for experienced typists using a new type of split keyboard can be approximated by a normal curve with mean 76 wpm and standard deviation 19 wpm. n USE SALT (a) Suppose that two typists are independently selected. What is the probability that both their typing speeds exceed 95 wpm? (Round your answer to four decimal places.) (b) Suppose that special training is to be made available to the slowest 20% of the typists. What typing speeds would qualify individuals for this training? (Round your answer to the nearest whole number.) People with typing speeds of wpm and -Select--- v would qualify for the training. -Select- above below
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