Q1) Annual commissions earned by sales representative of machine products, Inc., a manufacturer of light machinery , follow normal probability distribution. The mean yearly amount earned is= $40,000 and standard deviation is $5,000
a) What percent of sales representatives earn more than $ 42,000 per year?
b) What percent of sales representatives earn between= $32,000 and $42,000?
c) What percent of sales representatives earn between= $32,000 and $35,000?
d) Sales manager wishes to award sales representatives who earn the largest commissions a bonus of= $1,000 .He can award bonus to 20% of representatives. Determine cutoff point between those who earn bonus and those who don't?