تجمع إحصاء دوري ثاني ( خليطي )

[Dr.So0oMa]

=`(
اهئئ
مَحَد جَاوَبَنِي لّيّيّيّيْييش .,"

وَالِي يُعَافِيَكُم ابْغَى الْحَل


16. If 4 different-sized washers ( غسالات ) are arranged in a row, then the probability that they
will be arranged in order of size is
A) 4!
B) 1
24
C) 1
12
D) 1
4



++++++++++
16. 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

++++++++++
suppose that evry man age(x) is exactly 4 years less than his wife age... then the correlation coefficient (r) between x & y is
وهو اختار الجواب ____ 1 ___ بس ليش واحد *___*

وفي سؤال تاني نفسو بس قال
suppose that evry man age(x) is exactly 2 years greater than his wife age... then the correlation coefficient (r) between x & y is...

ومرة قال::
suppose that evry man age(x) is exactly twice than his wife age... then the correlation coefficient (r) between x & y is.....


+++في كم سؤال في المرفقات ^^++

بُلْييِيّز ضَاع وَقْتِي وَانَا احَوِس فِي الاسَئِلَّه دي ^^"