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Mathematics, 21.06.2019 20:30
Max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about maxโs data must be true? a) the median of maxโs 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.
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Mathematics, 21.06.2019 22:40
Awoman has 14 different shirts: 10 white shirts and 4 red shirts. if she randomly chooses 2 shirts to take with her on vacation, then what is the probability that she will choose two white shirts? show your answer in fraction and percent, round to the nearest whole percent.
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Mathematics, 21.06.2019 23:00
The ratio of the perimeters of two similar triangles is 4: 3. what are the areas of these triangles if the sum of their areas is 130cm2?
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Mathematics, 21.06.2019 23:50
4. (10.03 mc) the equation of line cd is y = โ2x โ 2. write an equation of a line parallel to line cd in slope-intercept form that contains point (4, 5). (4 points) y = โ2x + 13 y = negative 1 over 2 x + 7 y = negative 1 over 2 x + 3 โ 2x โ 3
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