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The time it takes to assemble an electronic component is normally distributed with a mean of 17.2 minutes and a standard deviation of 3.1 minutes.
The time it takes to assemble an electronic component is normally distributed with a mean of 17.2 minutes and a standard deviation of 3.1 minutes.
a) The probability is 95 % that it will take at least how long to assemble a component?
b) What is the probability that it will take at least 20 minutes to assemble a component?
can u solve it step by step please
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