Solve the following problem involving probability of normal distribution. Illustrate the normal curve base on the given. A bank find that its saving account balances are approximately normally distributed with mean P 600 and standard deviation P 150. What is the probability that a randomly selected amount has a balance between 450 and 600? а. b. What is the probability that a randomly selected amount has a balance between 600 and 900 c. Above 750

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