Question

the management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than certain amount per visit at this supermarket. the expectation of the managements is that management's is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will e normally distributed with a mean of rm95 and a standard deviation of rm21. if the management wants to give free gifts to at most 10% of the customer, what should the amount be above which a customer would receive a gift?

Answer 1

statistics - continuous random variable

Answer 2

@ganeshie8 can help me?

Answer 3

mean = 95
standard deviation = 21

Answer 4

10% cutoff value

Answer 5

sketch the curve first