2 12.6a04
Find the indicated probability.
If P(A) = 0.2, P(A or B) = 0.5, and P(A and B) = 0.3, find P(B).
t of
Select one:
a. P(B) = 0.4
b. P(B) = 0.8
c. P(B) = 0.6
O d. P(B) = 0.7

Describe in detail how you would construct a 95% confidence interval for a set of 30 data points whose mean is 20 and population standard deviation is 3. be sure to show that you know the formula and how to plug into it. also, clearly state the margin of error.

Question 101 points)which equation in slope-intercept form represents the line that passes through (5, 1) and(-4,7)

After being rearranged and simplified, which of the following equations could be solved using the quadratic formula? check all that apply. a. 9% + 3x2 = 14 + x-1 b. -x+ + 4x + 7 = -32-9 c. 5x + 4 = 3x4 - 2 d. 2x2 + x2 + x = 30