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A school newspaper reporter decides to
randomly survey 12 students to see if they will attend Tet (Vietnamese New
Year) festivities this year. Based on past
years, she knows that 18% of students attend Tet festivities. We are interested
in the number of students who will attend the festivities.
a. In words, define the random variable X.
b. List the values that X may take on.
c. Give the distribution of X. X ~
d. How many of the 12 students do we expect
to attend the festivities?
e. Find the probability that at most four
students will attend.
f. Find the probability that more than two
students will attend