# Probability Questions

Explore questions in the Probability category that you can ask Spark.E!

How can we change the percent correct without changing the discriminability?

Give the probability of being sick knowing that the test is positive as a function of the test sensitivity, specificity and the incidence rate

True or false: d'emp changes when the criterion changes

When the marginal and conditional probabilities are known or can be easily determined directly, what property do we use?

The product of the first k positive integers(counting numbers) is....

The number of possible samples of size n from a population of size n is...

The number of possible permutations of r objects that can be formed from...

If A and B are independent events then P(A & B)=

What is the equal-likelihood model an example of?

What is the formula for the General Multiplication Rule?

What is the probability of an event that can't occur?

For events that are not mutually exclusive what rule should you use?

What is the probability of an event that must occur?

When the joint and marginal probabilities are known or can be easily determined directly, what property do we use?

Although the frequentist interpretation is helpful for understanding the meaning of probability, it can't be used as....

An event occurs if and only if the outcome of the experiment....

What is the frequency distribution for a bivariate data set called?

For an experiment with equally likely outcomes, what two concepts are identical?

What is the formula used to demonstrate the probability of an event?

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