Mathematics, 04.12.2019 01:31 Arealbot
It is believed that lake tahoe community college (ltcc) intermediate algebra students get less than seven hours of sleep per night, on average. a survey of 22 ltcc intermediate algebra students generated a mean of 7.24 hours with a standard deviation of 1.93 hours. at a level of significance of 5%, do ltcc intermediate algebra students get less than seven hours of sleep per night, on average?
Answers: 3
Mathematics, 21.06.2019 19:30, shanua
Needmax recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.
Answers: 2
Mathematics, 21.06.2019 20:10, sawyerharper
Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b
Answers: 3
Mathematics, 21.06.2019 21:00, ImmortalEnigmaYT
Sue's average score for three bowling games was 162. in the second game, sue scored 10 less than in the first game. in the third game, she scored 13 less than in the second game. what was her score in the first game?
Answers: 2
Mathematics, 22.06.2019 05:30, talanna394
On a parallelogram, the vector from one vertex to another vertex is (9,-2). what is the length of the side? •7•√85•18•85
Answers: 3
It is believed that lake tahoe community college (ltcc) intermediate algebra students get less than...
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