Pls me asap which situation can be simulated by rolling a six-sided die once? a. selecting one person from a group of four boys and two girls b. picking one pair of jeans from four distinct pairs c. selecting 1 of 12 boys as the captain of the baseball team d. selecting one of two smartphones

Do 12/14 and 8/10 have the same value? explain your answer.

Which value would be a solution for x in the inequality 47-4x< 7

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.