Mathematics, 16.04.2020 16:49 youngg52
The blood platelet counts of a group of women have a bell-shaped distribution with a mean of 256.3 and a standard deviation of 65.4. (All units are 1000 cells/muL.) Using the empirical rule, find each approximate percentage below. a. What is the approximate percentage of women with platelet counts within 2 standard deviations of the mean, or between 125.5 and 387.1? b. What is the approximate percentage of women with platelet counts between 190.9 and 321.7?
Answers: 1
Mathematics, 21.06.2019 19:00
The fence around a quadrilateral-shaped pasture is 3a^2+15a+9 long. three sides of the fence have the following lengths: 5a, 10a-2, a^2-7. what is the length of the fourth side of the fence?
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Mathematics, 21.06.2019 19:30
Factor the polynomial 4x4 – 20x2 – 3x2 + 15 by grouping. what is the resulting expression? (4x2 + 3)(x2 – 5) (4x2 – 3)(x2 – 5) (4x2 – 5)(x2 + 3) (4x2 + 5)(x2 – 3)
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Mathematics, 22.06.2019 00:00
Determine the function’s value when x = -1 a. g(-1)=-3 b. g(-1)=0 c. g(-1)=1 d. g(-1)=27
Answers: 2
The blood platelet counts of a group of women have a bell-shaped distribution with a mean of 256.3 a...
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