Mathematics, 25.07.2019 03:30 bandiadummy8595
Tiffany plans to use $275 she earned from a summer job to buy some new clothes for school. she found several items she likes but is trying to decide if she has enough money to buy all of them. she wants to buy three pairs of jeans for $42 each and five shirts with an average cost of $27 per shirt. she will have to pay 6.5 % sales tax. if she buys all of these items, how much tax will she have to pay?
Answers: 2
Mathematics, 21.06.2019 20:30, cogger9348
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 21:00, Woodlandgirl14
Can some one explain how to slove specifically, what is the value of x? 0.9(x+1.4)-2.3+0.1x=1.6 enter the answer as a decimal in the box. x= ?
Answers: 2
Tiffany plans to use $275 she earned from a summer job to buy some new clothes for school. she found...
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