Carlos martin received a statement from his bank showing a balance of $56.75 as of march 15. his checkbook shows a balance of $87.37 as of march 20. the bank returned all the cancelled checks but two. one check was for $5.00 and the other was for $13.25. how much did carlos deposit in his account between march 15 and march 20? a. $125.87 b. $162.37 c. $11.22 d. $48.87

Four individuals pool money together to start a new business and agree to split the profits equally. n invests $6,000, x invests $2,000, y invests $8,000 and z invests $4,000. if the profits for the first month were $100,000, y receives than if the profits were divided in proportion to how much they invested.

The pyramid below was dissected by a horizontal plane which shape describes the pyramid horizontal cross section

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.