Find Conditional and Marginal Distributions A) 441 % (275 / 623)

Multiple Choice

Find conditional and marginal distributions.
-A large national retailer of electronics conducted a survey to determine consumer
Preferences for various brands of digital cameras and the data are summarized in the table
Shown below. Of the consumers who prefer Pentax, what percentage is male? $$\begin{array} { | c | c | c | c | } & \text { Female } & \text { Male } & \text { Total } \\\hline \text { Sony Cyber-Shot } & 73 & 59 & \mathbf { 1 3 2 } \\\hline \text { Kodak - Easy Share } & 49 & 47 & \mathbf { 9 6 } \\\hline \text { Cannon Power Shot } & 58 & 33 & \mathbf { 9 1 } \\\hline \text { Pentax } & 37 & 41 & \mathbf { 7 8 } \\\hline \text { Olympus } & 45 & 28 & \mathbf { 7 3 } \\\hline \text { Other Brands } & 86 & 67 & \mathbf { 1 5 3 } \\\hline \text { Total } & \mathbf { 3 4 8 } & \mathbf { 2 7 5 } & \mathbf { 6 2 3 }\end{array}$$

A) 44.1 % (275 / 623) .
B) 6.6% (41 / 623) .
C) 52.6% (41 / 78) .
D) 14.9% (41 / 275) .
E) 12.5% (78 / 623) .