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An investor has made an investment where the dollar return on the investment follows normal distribution with mean $40,000 and standard deviation $11,000. 9)Find the

An investor has made an investment where the dollar return on the investment follows normal distribution with mean $40,000 and standard deviation $11,000.

9)Find the 5th percentile value.

10) What is the probability that the investor's return is between $45000 and $55000 (both values included)?

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