Kyoko gave Misa a box of marbles for her birthday. If the average number of marbles in the brand that

Kyoko gave Misa a box of marbles for her birthday. If the average number of marbles in the brand that Kyoko gave to Misa is 75 with a standard deviation of 4, what is the probability that Misa received more than 78 marbles or less than 74 marbles?


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