Question

The number tiles containing the numbers 11-20 are in a bag. One tile is pulled from the bag. Determine each probability. 3a. P(prime number)= ? / 3b. p(multiple of 3)= ?

Answer 1

$|\Omega|=10$

3a

$|A|=4\\\\P(A)=\dfrac{4}{10}=\dfrac{2}{5}=40\%$

3b

$|A|=3\\\\P(A)=\dfrac{3}{10}=30\%$