[حبه سوكـرا..]

ربي يسعدكم احد يحل لي ذي الاسئلة

A person owns a collection of 25 movies, five of which are English. If four movies
are selected at random, find the probability that three of them are English.
A)
1/25
B)
3/5
C)
1/125
D)
4/253
والاجابة D
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Find two z values so that 41.08% of the middle area is bounded by them
A) ± 1.35
B) ± 0.4108
C) ± 0.54
D) ± 0.2054
والاجابة C
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واكون لكم من الشاكرين ..