Mathematics, 20.07.2019 05:30 aliami0306oyaj0n
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%
Answers: 1
Mathematics, 20.06.2019 18:02
Ahas the coordinates (–4, 3) and b has the coordinates (4, 4). if do,1/2(x, y) is a dilation of △abc, what is true about the image △a'b'c'? check all that apply. ab is parallel to a'b'. do,1/2(x, y) = the distance from a' to the origin is half the distance from a to the origin. the vertices of the image are farther from the origin than those of the pre-image. a'b' is greater than ab.
Answers: 3
Mathematics, 21.06.2019 12:30
Cara earns a base pay of $1800 per month at a car dealership plus a commission of 6% of her sales. what are caras total earning in a month in which she sells $40000 worth of merchandise
Answers: 3
Mathematics, 21.06.2019 21:00
Solve this problem! extra ! 3025/5.5 = a/90.75 / = fraction
Answers: 3
Mathematics, 21.06.2019 22:00
Which statements describe the solutions to the inequality x< -20 check all that apply. there are infinite solutions. each solution is negative. each solution is positive. the solutions are both positive and negative. the solutions contain only integer values. the solutions contain rational number values.
Answers: 1
Suppose that 44% of all americans approve of the job the president is doing. the most recent gallup...
Mathematics, 30.09.2019 04:20
Mathematics, 30.09.2019 04:20
Mathematics, 30.09.2019 04:20
History, 30.09.2019 04:20
Physics, 30.09.2019 04:20
Mathematics, 30.09.2019 04:20
Computers and Technology, 30.09.2019 04:30
Geography, 30.09.2019 04:30
Mathematics, 30.09.2019 04:30
Mathematics, 30.09.2019 04:30
English, 30.09.2019 04:30
Mathematics, 30.09.2019 04:30
Health, 30.09.2019 04:30