Mathematics, 25.07.2019 16:30 leslieperez67
The sum of three numbers is 3. if the second number is subtracted from the sum of the first and third numbers, the result is 9. if the third number is subtracted from the sum of the first and second numbers, the result is -5. find the three numbers.
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
Mathematics, 21.06.2019 21:30
Noel is hoping to make a profit (in $) on the school play and has determined the function describing the profit to be f(t) = 8t – 2654, where t is the number of tickets sold. what does the number 8 tell you?
Answers: 1
Mathematics, 22.06.2019 04:30
Type the correct answer in the box. use numerals instead of words. if necessary use / for the fraction bar.
Answers: 3
The sum of three numbers is 3. if the second number is subtracted from the sum of the first and thir...
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