Each customer entering a department store will either buy or not buy some merchandise. an experiment consists of the following 3 customers and determining whether or not they purchase any merchandise. the number of sample points in this experiment

(a) 8 (b) 6 (c) 2 (d) 4

A) 8

Explanation:

In statistics, a sample point is the observed value of variable. To determine the number of sample points you have to calculate the number of options: 2 (to purchase or not to purchase), and then use the exponential rule by the number of customers: 2³ = 2 x 2 x 2 = 8

a manufacturer of printed circuit boards uses exponential smoothing with trend to forecast monthly demand of its product. at the end of december, the company wishes to forecast sales for january. the estimate of trend through november has been 200 additional boards sold per month. average sales have been around 1000 units per month. the demand for december was 1100 units. the company uses α = 0.20 and β = 0.10. make a forecast including trend for the month of january.