A recent survey administered by ZoneDiet. com asked 1,000 adults, “ How far are you from your ideal weight?” The results are shown in the following table:

Response                                Frequency

1– 5 lbs ………………….       150

6– 10 lbs …………………      140

11– 15 lbs ……………….       90

16 or more ………………       380

I’m content ……………         ?

Total ……………………       1,000

a. How many adults responded that they are content with their current weight?

b. What is the probability that a randomly selected adult is content with his or her weight?

c. What is the probability that a randomly selected adult is 1– 5 lbs from his or her ideal weight?

d. What is the probability that a randomly selected adult is 6 lbs or more from his or her ideal weight?