Lauren Wants to Wear Something Warm When She Leaves for Class

Multiple Choice

Lauren wants to wear something warm when she leaves for class. She reaches into her coat closet without looking and grabs a hanger. Based on what she has in her coat closet, she has a 30% chance of picking a sweater, a 50% chance of picking a coat, and a 20% chance of picking a jacket. What is the probability that she will pick a sweater or a coat?

A) 15%
B) 30%
C) 50%
D) 80%