What is the primary difference between binomial and geometric random variables?

Binomial and Geometric Random Variables

Interactive Video
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Mathematics
•
9th - 10th Grade
•
Hard

Thomas White
FREE Resource
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6 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Binomial counts successes in fixed trials; geometric counts trials until first success.
Binomial counts failures; geometric counts successes.
Binomial is continuous; geometric is discrete.
Binomial uses normal distribution; geometric uses exponential distribution.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a condition for a binomial setting?
Fixed number of trials
Independent trials
Variable probability of success
Binary outcomes
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a binomial distribution, what does 'n choose k' represent?
The probability of k successes
The number of ways to arrange k successes in n trials
The expected number of successes
The standard deviation of the distribution
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you calculate the mean of a binomial distribution?
p divided by n
n divided by p
Square root of n times p
n times p
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main focus of a geometric random variable?
Calculating the variance of outcomes
Measuring the probability of failure
Counting the number of trials until the first success
Counting the number of successes in a fixed number of trials
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the expected value of a geometric random variable calculated?
1 divided by the probability of success
Probability of success times number of trials
Square root of the number of trials
Probability of failure divided by number of trials
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