Math 441/442: Engineering Statistics I & II, 2 Credits Each, SDSMT Spring 2004
Finding Your Instructor
Roger Johnson ("Roger" or "Mr. Johnson" is fine), McLaury 314B email: [email protected], web: http:/www.mcs.sdsmt.edu/rwjohnso/ (this page av
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1. (15 points) In the CASH 5 ColoradoLottery, one chooses numbersfrom the field 1 5 through 32. It costs$1 per play. Twice a week 5 numbersare drawn without replacement from the field 1 through32 and an individual'swinnings are determined the numbe
1. (24 pts.) Suppose the chance of snow Friday is 0.25, and the chance of snow Saturday
is 0.35. Also suppose the chance it snows at least one of these two days is 0.70.
a. What is the chance that it snows on both Friday and Saturday?
Far5) = f(F)kP(S]
6%
1. (20 pts.) For the current seasonl, Melanie Vedvei of the Lady Hardrockers has made 87
of 120 her ee throw attempts. In other words, the proportion of times shes made a ee
throw shot is 0.725. In the problems which follow assume she independently