Mathematics, 22.08.2019 03:20 dragon2998
An explanation for the results is that those over the age of 55 grew up exposed to media that was displayed in black and white. can these results be used to verify that explanation? a. no. the results speak to a possible difference between the proportions of people over 55 and under 25 who dream in black and white, but the results cannot be used to verify the cause of such a difference. b. yes. the results can be used to verify the given explanation because the difference in proportions is statistically significant. c. yes. the results can be used to verify the given explanation because the difference in proportions is practically significant. d. no. the results speak to a possible difference between the proportions of people over 55 and under 25 who dream in black and white, but the results are not statistically significant enough to verify the cause of such a difference.
Answers: 2
Mathematics, 20.06.2019 18:04
Choose the graph that matches the following system of equations: 7x + 2y = −6 6x − 7y = 21 a line includes points negative 2 comma 4 and 0 comma negative 3. a line includes points 6 comma 2 and 0 comma negative 3 a line includes points 0 comma negative 3 and 6 comma 2. a line includes points negative 2 comma 1 and negative 3 comma 4 a line includes points 0 comma negative 3 and negative 1 comma 4. a line includes points 0 comma negative 3 and negative 1 comma 3 a line includes points 0 comma 3 and negative 1 comma negative 3. a line includes points 0 comma negative 3 and negative 2 comma 4.
Answers: 1
Mathematics, 21.06.2019 17:00
The table below shows the height of a ball x seconds after being kicked. what values, rounded to the nearest whole number, complete the quadratic regression equation that models the data? f(x) = x2 + x + 0based on the regression equation and rounded to the nearest whole number, what is the estimated height after 0.25 seconds? feet
Answers: 2
Mathematics, 21.06.2019 18:00
Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?
Answers: 1
Mathematics, 21.06.2019 19:10
Which graph represents the function g(x) = |x + 4| + 2?
Answers: 1
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