Mathematics, 24.06.2021 18:30 Tianylee2328
Suppose the mean height in inches of all 9th grade students at one high school is estimated the population standard deviation is 4 inches the height of 7 randomly selected students are 69,74,66,66,62,64,and 74 what is the margin of error at 99% confidence level
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The square root of 9x plus 7 plus the square rot of 2x equall to 7
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Mathematics, 21.06.2019 20:30
Suppose you just purchased a digital music player and have put 8 tracks on it. after listening to them you decide that you like 4 of the songs. with the random feature on your player, each of the 8 songs is played once in random order. find the probability that among the first two songs played (a) you like both of them. would this be unusual? (b) you like neither of them. (c) you like exactly one of them. (d) redo () if a song can be replayed before all 8 songs are played.
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Pentagon abcde is dilated according to the rule do,3(x,y) to create the image pentagon a'b'c'd'e', which is shown on the graph. what are the coordinates of point a of the pre-image? a) (-1, 1)b) (-1, 2)c) (-9, 6)d) (-9, 18)
Answers: 3
Suppose the mean height in inches of all 9th grade students at one high school is estimated the popu...
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