Mathematics, 19.07.2019 08:30 allycoops666666
Suppose that 44% of all americans approve of the job the president is doing. the most recent gallup poll consisted of a random sample of 1,400 american adults. a. what is the mean of the sampling distribution? b. what is the standard deviation of the sampling distribution (don't forget to justify the use of the formula)? c. describe the normal approximation for this sampling distribution (don't forget to justify this) you can simply write as n (mean, standard deviation) d. what is the probability that the gallup poll will come up with a proportion within three percentage points of the true 44%
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Mathematics, 21.06.2019 14:00
Which point is on the line y=-2+3? (-2,-1) (3,3) (3,-3) (-3,-9)
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Mathematics, 21.06.2019 19:10
Which ordered pair is a solution of the equation? y + 5 = 2(2+1) choose 1 answer ® only (5,10 ® only (-1,-5) © both (5, 10) and (-1,-5) 0 neither
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Mathematics, 21.06.2019 19:30
1. find the area of the unshaded square 2. find the area of the large square 3. what is the area of the frame represented by the shaded region show
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Mathematics, 22.06.2019 01:30
Aresearch study is done to find the average age of all u.s. factory workers. the researchers asked every factory worker in ohio what their birth year is. this research is an example of a census survey convenience sample simple random sample
Answers: 2
Suppose that 44% of all americans approve of the job the president is doing. the most recent gallup...
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