Find the expected value of the random variable in the experiment.Three coins are tossed, and the number of tails is noted.
A. 1
B. 1.75
C. 2
D. 1.5
Answer: D
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The table lists data that are exactly linear. (i) Find the slope-intercept form of the line that passes through these data points. (ii) Predict y when x = -1.5 and 4.6. 
A. y = 0.7x - 4.9; y = -5.95, y = -1.68 B. y = 0.7x + 4.9; y = 3.85, y = 8.12 C. y = -0.7x - 4.9; y = -3.85, y = -8.12 D. y = -0.7x + 4.9; y = 5.95, y = 1.68
Solve.Find an equation of an ellipse with vertices (-3,0) and (3, 0) and eccentricity equal to 
.
What will be an ideal response?
Find the numerical value of the expression for the given value.
, x = -4
A. Undefined
B. 0
C. 
D. - 
Find the angular velocity associated with the given rpm.
?
?
If the answer needs rounding, round it to three significant digits.
?
__________ rad/min
What will be an ideal response?