Help. Question of assignment Honda is four of the top nine vehicles in terms of

Question

Help. Question of assignment Honda is four of the top nine vehicles in terms of fueleconomy. a. Determine probability distribution for the number of hondasin a sample of three cars chosen from the top nine. b. What is the likelihood than in the sample of three at leastone honda is included? Is this correct? a: (4/9)(3/8)2/7)= 0.048 b: (3/9)(2/8)(1/7)= 0.012 Help. Question of assignment Honda is four of the top nine vehicles in terms of fueleconomy. a. Determine probability distribution for the number of hondasin a sample of three cars chosen from the top nine. b. What is the likelihood than in the sample of three at leastone honda is included? Is this correct? a: (4/9)(3/8)2/7)= 0.048 b: (3/9)(2/8)(1/7)= 0.012

Explanation / Answer

no, that's not correct you need to find the probability that: 0 of the three are Hondas: (5/9)(4/8)(3/7) 1 of the three are Hondas:(4/9)(5/8)(4/7)+(5/9)(4/8)(4/7)+(5/9)(4/8)(4/7) 2 of the three are Hondas:(4/9)(3/8)(5/7)+(4/9)(5/8)(3/7)+(5/9)(7/8)(3/7) 3 of the three are Hondas: (4/9)(3/8)(2/7) that's the answer to the first part "at least one Honda" is the complement of no Hondas, so that answeris: 1-(5/9)(4/8)(3/7)

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