Final questions

Answer the following questions regarding the binomial distribution.

Question 1

What is the binomial distribution used for?

To model the distribution of continuous variables To model the average of a dataset To model the time between events To model the number of successes in a fixed number of trials

Question 2

In a binomial distribution, what does [i]n[/i] represent?

The number of trials The mean of the distribution The probability of success The number of successes

Question 3

What is the probability of success in a single trial in a binomial distribution typically denoted as?

p k n q

Question 4

Which of the following is the formula for the binomial probability P(X = k)?

[math]\left(1-p\right)^n[/math] [math]np\left(1-p\right)[/math] [math]\frac{n!}{k!\left(n-k\right)!}[/math] [math]\binom{n}{k}p^k\left(1-p\right)^{n-k}[/math]

Question 5

If you flip a fair coin 10 times, what is the expected number of heads?

7 10 5 2