Question

each morning, danai buys breakfast on her why to work. In the past thirty days, she bought a bagel on 6 days, a banana on 12 days, a doughnut on 3 days, and an orange on 9 days. If she bought one item per day, what is the probability that she bought either a banana or an orange? Show or explain your work and write you answer in the space provided.

Answer 1

Answer:

• 0.7 or 70%

Step-by-step explanation:

Total number of days

• 6 + 12 + 3 + 9 = 30

The number of days she bought a banana or orange

• 12 + 9 = 21

The probability of buying a banana or an orange is

• P(b or o) = 21/30 = 0.7 = 70%