Question Last year, 85% of students participated in the school fundraiser Using this data, what would be the BEST prediction of how many of the 320 students will participate in the fundraiser this year?
A. 48
B. 85
C. 272
D. 305

3.17 scores on stats final. below are final exam scores of 20 introductory statistics students. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 57, 66, 69, 71, 72, 73, 74, 77, 78, 78, 79, 79, 81, 81, 82, 83, 83, 88, 89, 94 (a) the mean score is 77.7 points. with a standard deviation of 8.44 points. use this information to determine if the scores approximately follow the 68-95-99.7% rule. (b) do these data appear to follow a normal distribution? explain your reasoning using the graphs provided below.

Is there an x intercept in the equation 60*1.15^x

What is the area of the shaded sector?