Provide an appropriate response.What does it mean for an observed difference to be statistically significant at the 0.01 level?
A. The probability of the observed difference occurring by chance is 1 in 100 or more.
B. The probability of the observed difference occurring if the alternative hypothesis is true is 1 in 100 or more.
C. The probability of the observed difference occurring if the alternative hypothesis is true is 1 in 100 or less.
D. The probability of the observed difference occurring by chance is 1 in 100 or less.
Answer: D
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Solve the problem.On a cloudy day, Luciane needed to know the height of a window in a building. Luciane positioned a mirror on the ground between herself and the building so that when he looked in the mirror, she saw the window. If the mirror was 22.32 cm from her feet and 
from the base of the building and Luciane's eye was 1.76 m above the ground, how high up on the building was the window located? Round to the nearest meter.
A. 111 m B. 278 m C. 1 m D. 3 m
Sketch a graph that shows the relationship between the variables defined.A hot air balloon flew from Seattle, WA to Olympia, WA. Let a be the altitude (in feet) of the hot air balloon t minutes after take off.
What will be an ideal response?
Indicate whether the value of x shown is a solution to the given equation by answering true or false.Value of x: 20
Equation: 2(x + 7) = 3(x - 2)
A. True B. False
Match the graph with its function using the x-intercepts.
A. y = x1/3 + 15x1/6 - 16 B. y = x1/3 + 15x1/6 + 16 C. y = x1/3 - 15x1/6 + 16 D. y = x1/3 - 15x1/6 - 16