Answer:
3/10 chance of getting orange
Step-by-step explanation:
1/5 = 2/10
10/10 - 2/10 - 5/10 = 3/10 chance of getting orange
You can expect at least 9 of her postcards to arrive within a week
To find that, we multiply the number of postcards by the probability
15 x 0.62 = 9.3
Hope this helps
Good Luck
