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Mathematics, 31.12.2019 05:31 chem1014
The speed of motor vehicles on a certain stretch of road are normally distributed with a mean of 64.2 mph and a standard deviation of 8.44 mph.
what is the probability that a motor vehicle selected at random is traveling at :
a) more than 65 mph?
b) less than 60 mph?
c) between 65 and 80 mph?
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