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Step-by-step explanation:
Question:
If a number is chosen at random from the numbers 1 to 20 inclusive, what is the probability that:
a) a prime number will be picked?
b) an even number will be picked?
c) a single digit number will be picked
paliwanag po
a) 8/20 = 2/5
b) 10/20 = 1/2
c) 9/20