Question

It is asserted that 80% of the cars approaching an individual toll booth 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.

Answer 1

Answer: a. 0.262

b. 0.983

c. 0.00

Explanation:

a. The probability that all six will have the transponder is 0.262

b. The probability that at least three will have the transponder is 0.983

c. The probability that none will have a transponder is 0.00

Check attachment for further explanation.