Question

It is asserted that 80% of the cars approaching an individual toll both in New Jersey are equipped with an E-ZPass transponder. Find the probability that in a sample of six cars: a. All six will have the transponder. b. At least three will have the transponder. c. None will have a transponder. Lind, Douglas. Basic Statistics for Business and Economics (p. 183). McGraw-Hill Education. Kindle Edition.

Answer 1

Option B, At least three will have the transponder

Explanation:

Step 1: Find the probability in 6 cars

6 * %80 or 6 * 0.8

4.8

Answer: Option B, At least three will have the transponder