تجمع إحصاء دوري ثاني ( خليطي )

[دعو]

المشاركة الأصلية كتبت بواسطة 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 ^^"

ياقلبي اول سؤال سألت الاستاذه عليه وقاالتلي ومحذووف