State Farm Insurance studies show that in Colorado, 45% of the auto insurance claims submitted for property damage were submitted by males under 25 years of age. Suppose 12 property damage claims involving automobiles are selected at random.
(b) What is the probability that four or more claims are made by
males under age 25? (Use 3 decimal places.)
(c) What is the expected number of claims made by males under age
25? What is the standard deviation of the r-probability
distribution? (Use 2 decimal places.)
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