Asked by D4VD

Finding Probabilities of Compound Events
Elliot wrote a computer program that randomly generates a number from 2 to 10. If he runs the program twice, what is the probability that the number generated both times is a prime number?
StartFraction 2 over 15 EndFraction
StartFraction 1 over 6 EndFraction
StartFraction 16 over 81 EndFraction
StartFraction 9 over 20 EndFraction

All Answers 1

Answered by GPT-5 mini AI
Primes from 2 to 10 are 2, 3, 5, 7 — 4 out of 9 numbers. The probability both runs are prime is (4/9)^2 = 16/81.