Chapter 4

Question 1

Binomial distribution conditions

Answer 1

1. There are n Identidical and independent trials of a common procedure
2. There are only two possible outcomes, (success and failure)
3. The probability of success of any one trial is the same number as “P”

Question 2

Binomial distribution Equation

Answer 2

(n/x)P^x(1-p)^(n-x)

Question 3

n/x

Answer 3

n!/(x!(n-x)!)

Question 4

mean for Binomial distribution

Answer 4

np

Question 5

Sandard deviation for Binomial distribution

Answer 5

sqrt(npq)

Question 6

Variance for Binomial distribution

Answer 6

npq

Question 7

What is Q?

Answer 7

q=1-p

Question 8

What is X?

Answer 8

The number of successes

Question 9

Binomial distribution Equation

Answer 9

(n/x)p^x(q)^(n-x)