بليز حللولي دي في الإحصاء

[white haert-no-1]

السلام عليكم ورحمة الله وبركاته

بليز جاوبوني على كم سؤال في الاحصاء ولا ترودني

يلا نبدأ :

1-At a local university 54.3% of incoming first -year student have computers .If3 students are selected at random , the probability that at least one has a computer is :

A)0.157
B)0.160
C)0.095
D)0.905




2-Given 8 students , 3of which are female . If 2 student are selected at random , what is probability that both student are female?
A)9/56
B)3/32
C)3/28
D)3




3-A newspaper advertises 5different movies.,3plays,and2basball games for the weekend. If a couple selects 3 activities, find the probability that they attend 2 plays &1 movie.

A)0.20
B)0,021
C)0.083
D)0.125



4-A committee consisting of 4 people is to be formed from 20 males &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




و أكن شاكرة لكل اللي يحللي دي الالأسئلة و عسى ربي يوقفه وينجحه




لا تردوني ترى اول مرة اطلب مساعدة منكم