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a pizza company claims that it puts 0.5 kg of cheese in its pizza of a certain size. the amount of cheese on a randomly selected pizza of this size...

a pizza company claims that it puts 0.5 kg of cheese in its pizza of a certain size. the amount of cheese on a randomly selected pizza of this size is normally distributed with a mean of 0.5 kg and standard deviation of 0.025 kg.
find the probability that the amount of cheese on a pizza of this size is between 0.525 kg and 0.550 kg.
find the probability that the amount of cheese on this size pizza exceeds the mean value by more than 2 standard deviations.

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