Mathematics, 25.06.2019 00:50 brionnashelp
3.27 underage drinking, part ii. we learned in exercise 3.25 that about 70% of 18-20 year olds consumed alcoholic beverages in 2008. we now consider a random sample of fifty 18-20 year olds. (a) how many people would you expect to have consumed alcoholic beverages? and with what standard deviation? (b) would you be surprised if there were 45 or more people who have consumed alcoholic beverages? (c) what is
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Mathematics, 21.06.2019 14:30
The perimiter of a rectangle is 70 inches the legneth of the rectangle is 5 less than 3 times the width of the rectangle what is the width of the rectangle
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Mathematics, 21.06.2019 20:30
Justin has 750 more than eva and eva has 12 less than justin together they have a total of 63 how much money did
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Mathematics, 21.06.2019 23:00
Each of the following data sets has a mean of x = 10. (i) 8 9 10 11 12 (ii) 7 9 10 11 13 (iii) 7 8 10 12 13 (a) without doing any computations, order the data sets according to increasing value of standard deviations. (i), (iii), (ii) (ii), (i), (iii) (iii), (i), (ii) (iii), (ii), (i) (i), (ii), (iii) (ii), (iii), (i) (b) why do you expect the difference in standard deviations between data sets (i) and (ii) to be greater than the difference in standard deviations between data sets (ii) and (iii)? hint: consider how much the data in the respective sets differ from the mean. the data change between data sets (i) and (ii) increased the squared difference îł(x - x)2 by more than data sets (ii) and (iii). the data change between data sets (ii) and (iii) increased the squared difference îł(x - x)2 by more than data sets (i) and (ii). the data change between data sets (i) and (ii) decreased the squared difference îł(x - x)2 by more than data sets (ii) and (iii). none of the above
Answers: 2
3.27 underage drinking, part ii. we learned in exercise 3.25 that about 70% of 18-20 year olds consu...
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