[Dloo3a]

سسلآإم .. هـآإ كيف الاحصآإء
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عندي هالاسئله مو عآرفه كيف احلهـآإ ....

بليزز اللي تعرف تشرحلي طريقه الحل ..


A committee consisting of 4 people is to be formed from 20 males and 5 females.
Find the probability that the committee will consist of males only.
A) 0.150
B) 0.791
C) 0.383
D) 0.451

If the letters A,B,C,D,E, and F are to be used in a letter code consists of six digits,
how many different codes are possible if the first letter must be A and repetitions are
not permitted?
A) 720
B) 1440
C) 46656
D) 120

A survey found that 2 out of 6 students say they like statistics course. If 10 students
are selected at random, find the probability that exactly five would have liked the
statistics course.
A) 0.333
B) 0.137
C) 1.63
D) 0.132





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