QUESTION $1$

An electrical contractor$$s records during the last three weeks indicate the number of job requests:

Week: $1234$

Request: $152010$

Forecast week four job requests using the weighted moving average with w$1($February$)=0\mathrm{.}2$ and w$2($March$)=0\mathrm{.}8.$

$10$

$12$

$15$

None of the above.