SOLUTION: Mr. Smith takes the Interstate to attend a wedding with a probability of 0.4, and the Metro to attend a wedding with a probability of 0.6. If he takes the Interstate to attend a we

Algebra ->  Probability-and-statistics -> SOLUTION: Mr. Smith takes the Interstate to attend a wedding with a probability of 0.4, and the Metro to attend a wedding with a probability of 0.6. If he takes the Interstate to attend a we      Log On


   

Question 867171: Mr. Smith takes the Interstate to attend a wedding with a probability of 0.4, and the Metro to attend a wedding with a probability of 0.6. If he takes the Interstate to attend a wedding, the probability that he arrives late is 0.8. If he takes the Metro to attend a wedding, the probability that he arrives late is 0.4.
What is the probability that Mr. smith arrives late?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
.8%2A.4+%2B+.4%2A.6+=+.32+%2B+.24+=+.56 56% of being late in general