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Mathematics, 04.03.2020 23:14 sbelgirl2000

The mean investment that employees put into their companies 401k per year is $10,000 with standard deviation of $500 Assuming the investment follow a normal distribution, determine the following a. what proportion of employees put between $9, 500 and $11,000 into the 401 k per year b. What proportion of employee put more than $11, 500 into the 401 k per year? c. What proportional of employees put less than $11,000 into the 401k per year?d. What proportional of employees put more than $9,000 into the 401k per year?e. What proportional of employees put between than $11,000 and $11, 500 into the 401k per year?f. How much would an employees need to put into his or her 401 K to be in the upper 10% of investors?

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