Answer:
Step-by-step explanation:
Box 1: contains 4 items, two of which are pens. the probability of choosing a pen is 2/4
Box 2: contains 7 crayons and 3 colored pencils for a total of 10. The probability of choosing 1 crayon out of that box is 7/10
Event Probability = 2/4 * 7/10 = 14/40 = 7 / 20
