Question:
What is the value of P(X = 3)?
What is the value of P(X = 3)?
Options:
- a) 135 1024
- b) 5 128
- c) 45 1024
- d) 70 1024 Direction for Questions (99-100): Consider the following for the two (02) items that follow: A committee of 6 members is formed from a group of 7 gentlemen and 4 ladies.
- a) 135 1024
- b) 5 128
- c) 45 1024
- d) 70 1024 Direction for Questions (99-100): Consider the following for the two (02) items that follow: A committee of 6 members is formed from a group of 7 gentlemen and 4 ladies.
correct answer : a)
Explanation:
P(x = 3) = 6C3(k)3 (1 – k)3
= 654
321
1
4
3
4
33..
..
=
20 3
16
3
=
20 27
16 16 16× ××
= 135
1024
P(x = 3) = 6C3(k)3 (1 – k)3
= 654
321
1
4
3
4
33..
..
=
20 3
16
3
=
20 27
16 16 16× ××
= 135
1024