On a certain day, a foundry manufactured 500 cast aluminum parts. Some of these had major flaws, some had minor flaws, and some had both major and minor flaws. The following table presents the results.

a. Find the probability that a randomly chosen part has a major flaw.

b. Find the probability that a randomly chosen part has a minor flaw.

c. Find the probability that a randomly chosen part has a flaw (major or minor).

d. Find the probability that a randomly chosen part has no major flaw.

e. Find the probability that a randomly chosen part has no flaw.

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Minor Flaw No Minor Flaw 20 Major Flaw No Major Flaw 75 35 370