The length of life of an appliance produced by a machine has a normal distribution with a
mean of 11 months and standard deviation of 2 months. Find the probability that an
instrument produced by this machine will last
a) less than 6 months.
b) between 6 and 12 months.
mean of 11 months and standard deviation of 2 months. Find the probability that an
instrument produced by this machine will last
a) less than 6 months.
b) between 6 and 12 months.
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Answer:
A
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