You roll a number cube with the numbers 1-6 on it. What is the chance you roll a 3 AND then a 4 in that order?

Aline has a slope of 1/4 and passes through point (0.4,-1/2). what is the value of the y-intercept?

In what organelle does photosynthesis take place?

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.