Two six-sided fair dice are rolled. The probability that at least one number is odd and the sum of the two numbers is even is . The probability that exactly one number is 6 and the product of the two numbers is at most 15 is . Reset

Solve: 25 points find the fifth term of an increasing geometric progression if the first term is equal to 7−3 √5 and each term (starting with the second) is equal to the difference of the term following it and the term preceding it.