Unformatted text preview: Student: Grady Silnonton Course: Math119: Elementary Statistics - Spring 2.010 - CRN: 49239
Instructor: Shawn Parvini - 16 weeks Date: 3/18/10 Book: Triola: Elementary Statistics, 11e
Time: 4:00 PM In a certain weather forecast, the chances of a thunderstorm are stated as "1 in 21 ." Express the indicated degree of
likelihood as a probability value between 0 and 1 inclusive. The probability, P(A) , of an event A is given below. HA) _ number of ways A can occur
number of different simple events For the stated chances "l in 2 l ,“ let the ﬁrst number represent the number of ways the event can occur and let the second
number represent the number of different simple events. Thus, to ﬁnd the probability of a thunderstorm divide l by 21. P(thunderstorm) 2 1 0.048 Page 1 ...
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- Spring '10