In a sample of 1,000 people, 630 indicated that they were most likely to sleep when at home sick with a cold or flu. Let p denote the proportion of people who sleep when at home sick with a cold or flu. (a) Determine the proportion of people in the sample who sleep when at home sick with a cold or flu. a) p = 0.63 (exact value) b) p = 0.37 (exact value) c) p = 1.00 (exact value) d) p = 0.50 (exact value)