5. In an experiment to test iron strengths, three different ores, seven differen

Question

5. In an experiment to test iron strengths, three different ores, seven different furnace temperatures, and five different cooling methods are to considered. Altogether, how many experimental configurations are possible? 6. Consider the following figure and find the following probabilities: POA) 006 7. A mutual fund company offers its customers a variety of funds: a money- market fund, three different bond funds (short, intermediate, and long ter two stock funds (moderate and high-risk), and a balanced fund. Among customers who owns shares in just one fund, the percentage of custome the different funds are as follow: (continued on next page)

Explanation / Answer

6)

a) P(A) = .07+.05+.01+.02+.05+.04+.08 = .32

b) P( A intersect C) = .05+.02+.04+.08 = .19

c) P( B union C) = .08+.13+.06+.01+.11+.02+.05+.08+.04+.11+.07 = .76

d) P( A union B union C) = 1-.04-.05-.03 = .88

e) P( A intersect B intersect C) = .02+.05 = .07

f) P( B' intersect C) = .08+.04 = .12

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