السلام عليكم
لو سمحت ممكن احد يقولي كيف طريقة حل هادا السؤال
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
هوا يطلع الناتج 1\12
طبعا السؤال 16 في الاختبار التاني
وهادا كمان
28.
In a certain company, it is known that 20% of the staff members are smokers. A random
sample of 5 staff members is selected at random, let X represents the number of smokers
in the sample.
Find the probability that at most 4 staff members are smokers.
A)
0.00032
B)
0.0016
D) 0.99968
وهادا السؤال من اختبار النهائي حق الترم اللي فات اول السنه للي فاتت مدري
30.
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