Answer:
In the set of prime numbers less than 18, the numbers 3 and 5 are both prime numbers.
Set A consists of prime numbers less than 18: {2, 3, 5, 7, 11, 13, 17}
The probability of selecting a prime number that is either 3 or 5 can be calculated as follows:
Total number of prime numbers in set A = 7
Number of prime numbers that are 3 or 5 = 2 (which are 3 and 5)
Probability = Number of favorable outcomes / Total number of possible outcomes
Probability = 2 (favorable outcomes) / 7 (total possible outcomes)
Therefore, the probability of randomly selecting a number that is either 3 or 5 from Set A is
Explanation: