The binomial distribution is symmetrical when and 1 0
The binomial distribution is symmetrical when:
= ¼ and 1 - = ¾.
= 0 and 1 - = 1.
= ½ and 1 - = ½.
= 1 and 1 - = 0.
Solution
Sol)
Binomial is symmetric when = ½ and 1 - = ½.
ie., success =failure=0.5
Symmetric means mean=median=mode
