Question 4 The annual commissions earned by sales representatives of a computer shop follow a normal distribution with a mean of RM43200 and a standard deviation of RM5700. a) What percent of the sales representatives earn between RM40000 and RM52500? b) The sales manager of the computer shop wants to award the sales representatives who earn the largest commissions a bonus of RM1000. He can award a bonus to 10.2 percent of the sales representatives. What is the cut-off point between those who earn a bonus and those who do not?

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