Discrete vs Continuous Numbers Flashcards
What is a variable?
A quantity whose value changes.
What do you call a value that is found through counting?
A discrete value.
What do you call a value that is found through measurements?
Continuous variable
What do you call a variable is the outcome (numerical) of a random phenomenon?
A random variable.
What does n represent in the binomial distribution formula?
number of trials
What does x represent in the binomial distribution formula?
total number of “successes” say how many times a student passes an exam vs fails it
What does the P represent in the binomial distribution formula?
The probability of success.
What does the b represent in the binomial distribution formula?
The binomial probability.
What does the q represent in the binomial distribution formula?
The probability of failure (so 1-p)
What does X represent in the binomial distribution formula?
It represents the number of successes in (X=x)
What does m represent in finding the z score?
mean
What does the x represent in finding the z score?
number of values
What does the greek symbol represent in finding the z score?
it means the standard deviation
