Some college advisors noticed the following breakdown of majors for the incoming freshman at their school: 3 percent math, 22 percent nursing, 16 percent psychology, 11 percent criminal justice, and 48 percent business. Suppose a first-year student was chosen at random. Which of the following is the probability distribution for that student’s major?
Answer
A
Table with 5 columns and 2 rows.Row 1: Column 1, 'Business'; Column 2, 'Criminal Justice'; Column 3, 'Math'; Column 4, 'Nursing'; Column 5, 'Psychology' Row 2: Column 1, '0 point 4 8'; Column 2, '0 point 1 1'; Column 3, '0 point 0 3'; Column 4, '0 point 2 2'; Column 5, '0 point 1 6'
B
Table with 5 columns and 2 rows.Row 1: Column 1, 'Business'; Column 2, 'Criminal Justice'; Column 3, 'Math'; Column 4, 'Nursing'; Column 5, 'Psychology' Row 2: Column 1, '0 point 0 3'; Column 2, '0 point 1 1'; Column 3, '0 point 4 8'; Column 4, '0 point 2 2'; Column 5, '0 point 1 6'
C
Table with 5 columns and 2 rows.Row 1: Column 1, 'Business'; Column 2, 'Criminal Justice'; Column 3, 'Math'; Column 4, 'Nursing'; Column 5, 'Psychology' Row 2: Column 1, '0 point 4 8'; Column 2, '0 point 1 1'; Column 3, '0 point 3 0'; Column 4, '0 point 2 2'; Column 5, '0 point 1 6'
D
Table with 5 columns and 2 rows.Row 1: Column 1, 'Business'; Column 2, 'Criminal Justice'; Column 3, 'Math'; Column 4, 'Nursing'; Column 5, 'Psychology' Row 2: Column 1, '0 point 2 2'; Column 2, '0 point 0 3'; Column 3, '0 point 1 6'; Column 4, '0 point 4 8'; Column 5, '0 point 1 1'
Explanation
Convert each percentage to a decimal and match it to the major: business is 0.48, criminal justice is 0.11, math is 0.03, nursing is 0.22, and psychology is 0.16. Choice C lists those probabilities in the same order as its table. They add to 1.00, as a probability distribution should.
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