29. The registration record of a private college indicates that 40 % of its new intakes are international students and the remaining are local students. a. If 20 new students are randomly selected and the number of local students are noted, find the probability that there are i. equal number of local and international students. ii. not less than 9 local students.
29. The registration record of a private college indicates that 40 % of its new intakes are international students and the remaining are local students. a. If 20 new students are randomly selected and the number of local students are noted, find the probability that there are i. equal number of local and international students. ii. not less than 9 local students.
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 4ECP: Show that the probability of drawing a club at random from a standard deck of 52 playing cards is...
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Q29 part A(ii)
Ans: ii. 0.9435
Transcribed Image Text:29. The registration record of a private college indicates that 40 % of its new intakes are international
students and the remaining are local students.
a. If 20 new students are randomly selected and the number of local students are noted, find the
probability that there are
i. equal number of local and international students.
ii. not less than 9 local students.
b. Exactly 100 new students are randomly selected. By using a suitable approximate distribution,
i. find the probability that between 38 and 46 are international students.
ii. determine the value m such that the probability that the number of international students is at
most m is 0.993.
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