Question

The article "Should You Report That Fender-Bender?"† reported that 7 in 10 auto accidents involve a single vehicle. Suppose 15 accidents are randomly selected. (Round your answers to five decimal places.)

(a)

What is the probability that exactly four involve a single vehicle?

(b)

What is the probability that at most four involve a single vehicle?

(c)

What is the probability that exactly five involve multiple vehicles?

You may need to use the appropriate table in Appendix A to answer this question.

Answer 1

Hello Sir/ Mam

Given that 7 in 10 auto accidents involve a single vehicle.

It clearly follows binomial distribution with p = 0.7 and n = 15

Now, we know that:

Hence,

(a)

(b)

(c)

I hope this solves your doubt.

Feel free to comment if you still have any query or need something else. I'll help asap.

Do give a thumbs up if you find this helpful.