Mathematics, 21.05.2021 19:50 robrod75
Circle C shown below was dilated with the origin as the center of dilation to create circle C’. Which rule represents the transformation?
A. (X, Y) (2/7x, 2/7y)
B. (X, Y) (7/2x, 7/2x)
C. (X, Y) (x - 5, y - 5)
D. (X, Y) (x + 5,y + 5)
Answers: 2
Mathematics, 21.06.2019 20:00
Someone answer asap for ! max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a. the median of max’s data is 250 b. more than half of the data points max recorded were 177 centimeters. c. a data point chosen at random is as likely to be above the mean as it is to be below the mean. d. every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.
Answers: 1
Mathematics, 21.06.2019 20:50
An automobile assembly line operation has a scheduled mean completion time, μ, of 12 minutes. the standard deviation of completion times is 1.6 minutes. it is claimed that, under new management, the mean completion time has decreased. to test this claim, a random sample of 33 completion times under new management was taken. the sample had a mean of 11.2 minutes. assume that the population is normally distributed. can we support, at the 0.05 level of significance, the claim that the mean completion time has decreased under new management? assume that the standard deviation of completion times has not changed.
Answers: 3
Circle C shown below was dilated with the origin as the center of dilation to create circle C’. Whic...
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