Podcast
Questions and Answers
Which formula can be used to calculate the probability that the first success occurs on the nth trial in the geometric distribution?
Which formula can be used to calculate the probability that the first success occurs on the nth trial in the geometric distribution?
- (1 - p)^(n+1) / p
- (1 - p)^(n-1) * p (correct)
- (1 - p)^(n+1) * p
- (1 - p)^(n-1) / p
Suppose you flip a coin several times. What is the probability that the first head appears on the third toss?
Suppose you flip a coin several times. What is the probability that the first head appears on the third toss?
- (1 - p)^2 / p
- (1 - p)^3 / p
- (1 - p)^2 * p (correct)
- (1 - p)^3 * p
In the geometric distribution, what does 'p' represent in the formula (1 - p)^(n-1) * p?
In the geometric distribution, what does 'p' represent in the formula (1 - p)^(n-1) * p?
- The probability of a success (correct)
- The number of trials
- The number of successes
- The probability of a failure