Mathematics, 27.02.2020 23:59 impura12713
The tip percentage at a restaurant has a mean value of 18% and a standard deviation of 6%.
a. What is the approximate probability that the sample mean tip percentage for a random sample of 40 bills is between 16% and 19%.
b. If the sample size had been 15 rather than 40, could the probability requested in part (a) be calculated from the given information?
Answers: 2
Mathematics, 21.06.2019 19:30
The amount spent on food and drink by 20 customers is shown below what is the modal amount spent and the median amount spent? 40 25 8 36 18 15 24 27 43 9 12 19 22 34 31 20 26 19 17 28
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Mathematics, 21.06.2019 20:00
Seymour is twice as old as cassandra. if 16 is added to cassandraโs age and 16 is subtracted from seymourโs age, their ages become equal. what are their present ages? show !
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Mathematics, 22.06.2019 00:00
Asequence has a common ratio of and f(5) = 81. which explicit formula represents the sequence? f(x) = 24 f(x) = 16 f(x) = 24 f(x) = 16
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Mathematics, 22.06.2019 01:00
First work with stencil one. use a combination of reflections, rotations, and translations to see whether stencil one will overlap with the original pattern. list the sequence of rigid transformations you used in your attempt, noting the type of transformation, the direction, the coordinates, and the displacement
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The tip percentage at a restaurant has a mean value of 18% and a standard deviation of 6%.
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