The probability that a randomly chosen citizen-entity of Cygnus is of pension age is approximately 0.6. What is the probability that, in a randomly selected sample of 3 citizen-entities, all of them are of pension age Round your answer to four decimal places. ?
A)0.3333
B) 0.784
C) 0.6
D) 0.216
E) 0.0556

Question

The probability that a randomly chosen citizen-entity of Cygnus is of pension age is approximately 0.6. What is the probability that, in a randomly selected sample of 3 citizen-entities, all of them are of pension age  Round your answer to four decimal places. ?
A)0.3333
B) 0.784
C) 0.6
D) 0.216
E) 0.0556

Quizplus · Accepted Answer

The probability of a citizen-entity being of pension age is 0.6. Therefore, the probability of all three being of pension age is $(0.6)^3=0.216$. Round to four decimal places, the answer is 0.216.

The Probability That a Randomly Chosen Citizen-Entity of Cygnus Is