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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.
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Mathematics, 22.06.2019 06:20
What is the slope of the line passing through the points (−2, −8) and (−3, −9) ?
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Mathematics, 22.06.2019 07:00
Out of 8 boys and 6 girls in a high school, a team of seven students is selected. what is the probability that three boys and four girls are selected? in your response, include an explanation and all of the calculations necessary to determine the probability.
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