There are 8 cars in a parking lot on a very cold day. Suppose the probability of any of them not starting is 0.13. What is the probability that exactly 2 of the cars will not start?
1 Answer
May 15, 2018
I don't have a CAS on me right now but you can use the explanation to find the fraction form
Answer: 0.20519191831
Explanation:
Use binomial distribution formula:
Basically it's:
how many combinations are there for out of 8 cars, 2 won't start
probability that two cars won't start
probability that the rest will start
To solve it use the combination formula: