Mathematics, 10.04.2020 18:57 sana20
A list of registered voters in City X show that 30% of the population is registered Democrat, 50% is registered Republican, and 20% is registered Independent/Other. Which of the following would be closest to a proportionate stratified random sample of 100 voters in City X?
A)33 Democrats, 33 Republicans, and 34 Independent/Others
B)40 Democrats, 40 Republicans, and 20 Independent/Others
C)50 Democrats, 30 Republicans, and 20 Independent/Others*D)30 Democrats, 50 Republicans, and 20 Independent/Others
E)50 Democrats, 50 Republicans, and 0 Independent/Others
Answers: 1
Mathematics, 21.06.2019 18:00
The chs baseball team was on the field and the batter popped the ball up. the equation b(t)=80t-16•16+3.5 represents the height of the ball above the ground in feet as a function of time in seconds. how long will the catcher have to get in position to catch the ball before it hits the ground? round to the nearest second
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Mathematics, 21.06.2019 18:00
Adriveway is 40 yards long about how many meters long is it
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Mathematics, 21.06.2019 18:20
17. a researcher measures three variables, x, y, and z for each individual in a sample of n = 20. the pearson correlations for this sample are rxy = 0.6, rxz = 0.4, and ryz = 0.7. a. find the partial correlation between x and y, holding z constant. b. find the partial correlation between x and z, holding y constant. (hint: simply switch the labels for the variables y and z to correspond with the labels in the equation.) gravetter, frederick j. statistics for the behavioral sciences (p. 526). cengage learning. kindle edition.
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Mathematics, 21.06.2019 22:00
Set $r$ is a set of rectangles such that (1) only the grid points shown here are used as vertices, (2) all sides are vertical or horizontal and (3) no two rectangles in the set are congruent. if $r$ contains the maximum possible number of rectangles given these conditions, what fraction of the rectangles in set $r$ are squares? express your answer as a common fraction.
Answers: 1
A list of registered voters in City X show that 30% of the population is registered Democrat, 50% is...
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