A book store owner randomly samples 100 customers on two separate days to see what their favorite type of book is. The data shows the results of the two samples. The book store owner expects 850 customers.

Based on the samples, about how many mystery books will the book store sell?

Enter your answer rounded to the nearest whole number in the box.

Normal yağmur ile asit yağmuru arasındaki fark nedir

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.

2,10,-50 next two numbers geometric sequence