(a) Find the probability that a randomly selected student earns more than 18 credits. (b) Find the probability that a randomly selected student earns 6 or fewer credits. (c) Find the probability that a randomly selected student earns 15 credits or more.

MATLAB: An Introduction with Applications
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4.35 How many courses? At a small liberal arts college,
students can register for one to six courses. Let X be
the number of courses taken in the fall by a randomly
selected student from this college. In a typical fall semester,
6% take one course, 6% take two courses, 12% take three
courses, 20% take four courses, 41% take five courses, and
15% take six courses. Let X be the number of courses taken
in the fall by a randomly selected student from this college.
Describe the probability distribution of this random
variable.
Transcribed Image Text:4.35 How many courses? At a small liberal arts college, students can register for one to six courses. Let X be the number of courses taken in the fall by a randomly selected student from this college. In a typical fall semester, 6% take one course, 6% take two courses, 12% take three courses, 20% take four courses, 41% take five courses, and 15% take six courses. Let X be the number of courses taken in the fall by a randomly selected student from this college. Describe the probability distribution of this random variable.
(a) Find the probability that a randomly selected student
earns more than 18 credits.
(b) Find the probability that a randomly selected student
earns 6 or fewer credits.
(c) Find the probability that a randomly selected student
earns 15 credits or more.
Transcribed Image Text:(a) Find the probability that a randomly selected student earns more than 18 credits. (b) Find the probability that a randomly selected student earns 6 or fewer credits. (c) Find the probability that a randomly selected student earns 15 credits or more.
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