Multiply.
express your answer in lowest terms 1/4 * 3/5 next question multiply.
express your answer in lowest terms. 3/4 * 5/9 next question what is the product in lowest terms? - 8/9 * 5/6 a -1 b-13/15 c-20/27 d.-1/5 next question what is the product in lowest terms? 9/14 *(-7/12) a 1/3 b 1/14 c-1/2 d -3/8

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.