4.5.7 WP SS vs A driver's reaction time to visual stimulus is normally distributed with a mean of 0.4 seconds and a standard deviation of 0.05 seconds. a. What is the probability that a reaction requires more than 0.5 seconds? b. What is the probability that a reaction requires between 0.4 and 0.5 seconds? c. What reaction time is exceeded 90% of the time?

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4.5.7 WP SS vs A driver's reaction time to visual stimulus
is normally distributed with a mean of 0.4 seconds and a standard
deviation of 0.05 seconds.
a. What is the probability that a reaction requires more than
0.5 seconds?
b. What is the probability that a reaction requires between
0.4 and 0.5 seconds?
c. What reaction time is exceeded 90% of the time?
Transcribed Image Text:4.5.7 WP SS vs A driver's reaction time to visual stimulus is normally distributed with a mean of 0.4 seconds and a standard deviation of 0.05 seconds. a. What is the probability that a reaction requires more than 0.5 seconds? b. What is the probability that a reaction requires between 0.4 and 0.5 seconds? c. What reaction time is exceeded 90% of the time?
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