1) The average weight of a certain machined part is 475 grams, with a standard deviation...

1) The average weight of a certain machined part is 475 grams, with a standard deviation of 5 grams.

a) What is the probability that a randomly selected part from the manufacturing line weighs less than 477 grams?

b) What is the probability that a randomly selected part from the manufacturing line weighs less than 472 grams?

c) What is the probability that a randomly selected part from the manufacturing line weighs at least 482 grams?

d) What is the probability that a randomly selected part from the manufacturing line weighs between 472 grams and 477 grams?

e) What is the probability that a randomly selected part from the manufacturing line weighs less than 472 grams or more than 477 grams?

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