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1. A popcorn company claims that the time it takes for all kernels in one bag to pop follows a normal distribution with a with
1.
A popcorn company claims that the time it takes for all kernels in one bag to pop follows a
normal distribution with a with a mean of 280 seconds and a standard deviation of 10 seconds.
(a)
Find the probability that it will take longer than 264.2 seconds to pop one bag of pop-corn.
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