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In a psychological testing experiment, 100 subjects are selected randomly and their reaction time, in seconds, to a particular stimulus is measured. Past experience suggests that the population standard deviation in reaction times to these types of stimuli is 4 seconds and that the distribution of reaction times is approximately normal. The (sample) average time for the subjects is 55 seconds. Give an upper 97.5% bound (one-sided) for the mean reaction time.

In a psychological testing experiment, 100 subjects are selected randomly and their reaction time, in seconds, to a particular stimulus is measured. Past experience suggests that the population standard deviation in reaction times to these types of stimuli is 4 seconds and that the distribution of reaction times is approximately normal. The (sample) average time for the subjects is 55 seconds. Give an upper 97.5% bound (one-sided) for the mean reaction time.

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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In a psychological testing experiment, 100 subjects are selected randomly and their reaction time, in seconds, to a particular stimulus is measured. Past experience suggests that the population standard deviation in reaction times to these types of stimuli is 4 seconds and that the distribution of reaction times is approximately normal. The (sample) average time for the subjects is 55 seconds. Give an upper 97.5% bound (one-sided) for the mean reaction time. Write your answer with 3 digits after the decimal point. For example, 0.782 or 0.352. W
Transcribed Image Text:In a psychological testing experiment, 100 subjects are selected randomly and their reaction time, in seconds, to a particular stimulus is measured. Past experience suggests that the population standard deviation in reaction times to these types of stimuli is 4 seconds and that the distribution of reaction times is approximately normal. The (sample) average time for the subjects is 55 seconds. Give an upper 97.5% bound (one-sided) for the mean reaction time. Write your answer with 3 digits after the decimal point. For example, 0.782 or 0.352. W
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