Question

Problem Set 19- Applications Recall that we can find probabilities by finding areas under the graph of the probability function. % of Length of stay 0-1 3) At the Joslyn Art Museum, curators are interested in the probability that a visitor spends between 1 ¼ hours and 3 ½ hours. They asked 100 visitors how much time they spent at the museum. The results are listed in the table. visitors 38% 27% 1-2 13% 2-3 3-4 10% 8% 4-5 6- 4% y = -0.0035 0.0473x-0.1972 +0.1963x + 0.3383 45% 40% 35% 30% 25% 20% 15% 10% 5% 0% 2 3 4 6 These data are approximated by the trendline function in Excel and shown in the graph above. Find the probability that a random guest stays between 1 ¼ hours and 3 ½ hours.

Answer 1