Help me with number 1 and 3 pls
...
Answers: 2
Another question on Mathematics
Mathematics, 21.06.2019 17:40
Find the volume of the described solid.the solid lies between planes perpendicular to the x-axis at x = 0 and x=7. the cross sectionsperpendicular to the x-axis between these planes are squares whose bases run from the parabolay=-31x to the parabola y = 30/x.a) 441b) 147c) 864d) 882
Answers: 1
Mathematics, 21.06.2019 20:30
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.
Answers: 1
You know the right answer?
Questions
Mathematics, 31.03.2020 01:06
English, 31.03.2020 01:06
History, 31.03.2020 01:06
English, 31.03.2020 01:06
Mathematics, 31.03.2020 01:06
Mathematics, 31.03.2020 01:06
Mathematics, 31.03.2020 01:06
Mathematics, 31.03.2020 01:07
History, 31.03.2020 01:07
Mathematics, 31.03.2020 01:07
Mathematics, 31.03.2020 01:07
