QUESTION 10 Urn A has 5 white balls and 7 black balls. Urn B has 3 white balls and 12 black balls. A fair coin is flipped. If the outcome is heads, then a ball from Urn A is selected, whereas if the outcome is tails, then a ball is drawn from Urn B. If the ball selected is black, what is the probability that the coin landed heads? O 65 120 O 35 83 41 120 56 83 O O O O

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 32E
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O 1.712
QUESTION 10
Urn A has 5 white balls and 7 black balls. Urn B has 3 white balls and 12 black balls. A fair coin is flipped. If the
outcome is heads, then a ball from Urn A is selected, whereas if the outcome is tails, then a ball is drawn from Urn B.
If the ball selected is black, what is the probability that the coin landed heads?
O 65
120
35
83
41
120
56
83
QUESTION 11
The following information represents the hours study (x) and the marks obtained (y) by 10 students:
Ey = 560, Ey2 = 36562, Ex = 100, Ex2 = 1376, and Exy = 6945
%3D
The sample correlation coefficient is:
O 0.2910
O O O
Transcribed Image Text:O 1.712 QUESTION 10 Urn A has 5 white balls and 7 black balls. Urn B has 3 white balls and 12 black balls. A fair coin is flipped. If the outcome is heads, then a ball from Urn A is selected, whereas if the outcome is tails, then a ball is drawn from Urn B. If the ball selected is black, what is the probability that the coin landed heads? O 65 120 35 83 41 120 56 83 QUESTION 11 The following information represents the hours study (x) and the marks obtained (y) by 10 students: Ey = 560, Ey2 = 36562, Ex = 100, Ex2 = 1376, and Exy = 6945 %3D The sample correlation coefficient is: O 0.2910 O O O
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