# 4According to sales information in the first quarter of 2016, 2.5% of new vehicles sold in the United States were hybrids. This is downfrom 2.8% for the same period a year earlier. An analyst's review of the data indicates that the reasons for the sales decline include thelow price of gasoline and the higher price of a hybrid compared to similar vehicles. Let's assume these statistics remain the same for2017. That is, 2.5 percent of new car sales are hybrids in the first quarter of 2017. For a sample of 35 vehicles sold in the Richmond,Virginia, area:a. How many vehicles would you expect to be hybrid? (Round your answer to 3 decimal places.)Expected veloeb. Use the Poisson distribution to find the probability that four of the sales were hybrid vehicles. (Round your answer to 4 decimalplaces.)Probebilityc. Use the binomial distribution to find the probability that four of the sales were hybrid vehicles. (Round your answer to 4 decimelplaces.)ProbebilityNext4 of 10

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Step 1

Given data

No of vehicles (n) = 35

Probability that the new car sales is hybrid (p)  = 0.025

a)

Expected no of vehicles would be hybrid is given by

Step 2

c)

Now using binomial distribution

Probability that the four of the sales were hybrid vehicles is given by

Applyin...

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