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The editors of Auto Web have evaluated several (E)uropean and (J)apanese crossovers and given them either a (H)igh or (A)verage safety rating. The probability
The editors of Auto Web have evaluated several (E)uropean and (J)apanese crossovers and given them either a (H)igh or (A)verage safety rating. The probability tree to the right summarizes the results of the study. If a car from the study is selected randomly, find the probability P(H). 0.35 (E 0.55 H P(H) = (Type an integer or a decimal.) 0.45 A 0.80 (H) 0.65 0.20 A You want to purchase a DVD drive for your laptop computer. Assume that 70% of the drives are made outside of the United States. Of the U.S.-made drives, 4% are defective; of the foreign-made drives, 6% are defective. If defective, find the probability that it is foreign made. your drive is The probability is (Do not round until final answer. Round to three decimal places as needed.) Assume that 2 cards are drawn from a standard 52-card deck. Find the following probabilities. a) Assume the cards are drawn without replacement. Find the probability of drawing 2 queens. b) Assume the cards are drawn with replacement. Find the probability of drawing 2 queens. a. The probability of drawing 2 queens without replacement is (Simplify your answer.) A container contains 50 green tokens, 5 blue tokens, and 3 red tokens. Two tokens are randomly selected without replacement. Compute P(FIE). E- you select a blue token first F - the second token is blue P(FIE) = (Simplify your answer. Type an integer or a fraction.) C.D Assume that you are drawing two balls without replacement from an urn that contains 11 green balls, 7 blue balls, and red balls. What is the probability that you will draw a red ball and a green ball? (Hint: There are two ways that this can happen.) The probability that you draw a red ball and a green ball is (Round to three decimal places as needed.) The given urn contains green (G), blue (B), and red (R) balls. Assume that two balls are being drawn without replacement from the urn to the right. What is the probability that neither ball is red? B R G G G. B B B R B G G BIG G. ... The probability is (Type an integer or decimal rounded to three decimal places as needed.) Find the probability, P(NOR), associated with the tree diagram. What is P(NOR)? (Round to the nearest hundredth.) 0.7 R 0.3 S 0.2 0.2 M R 0.4 N 0 0.8 S 0.4 0.5 R 0.5 S
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