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Binomial Probability Assignment

Approximately 3% of cars sold in the U.S. are diesel. You look at 50 randomly chosen auto sales over the past year.

1. Are there a finite number of trials? If so, how many are there?

2. Are the trials independent?

3. What are the success/failure outcomes we are looking at here? 4. What is the probability that 2 out of the 50 cars are diesel?

Use Rguroo. 5. Do you think it is likely that more than 20 of the cars are diesel? Why? A probability needs to be greater than or less than what to be not likely? (no need to actually find it, just use the number you should compare it to).