Mathematics, 10.01.2022 14:30 lilquongohard
Use the empirical rule to solve the problem. The amount of Jen's monthly phone bill is normally distributed with a mean of $78 and a standard deviation of $12. What percentage of her phone bills are between $42 and $114?
Answers: 1
Mathematics, 21.06.2019 14:00
Select the best attribute for the angle pair formed by two parallel lines intersected by a transversal.
Answers: 2
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.
Answers: 1
Use the empirical rule to solve the problem. The amount of Jen's monthly phone bill is normally dist...
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