Mathematics, 05.02.2020 08:58 angie0000
Ahotel chain charges $80 each night for the first two nights and $50 for each additional night's stay. the total cost t is a function of the number of nights x that a guest stays.
a if 0 < =x< =2
b if x> 2
(a) find the expressions for a and b in the piecewise function defined above.
Answers: 2
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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.
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Ahotel chain charges $80 each night for the first two nights and $50 for each additional night's sta...
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