Probability Review

Front

How many distinguishable ways exist to arrange the letters in the word A R R A N G E?

Back

1,260

Front

Which one of these variables is a continuous random variable?

Back

The time it takes a randomly selected student to complete an exam.

Front

A set of all possible outcomes is known as -

Back

a sample space.

Front

What counts the number of trials needed to obtain the 1st success?

Back

Geometric.

Front

Choose the correct sign for 'probability at most than 7'

Back

P(X≤7)

Front

Define a continuous random variable.

Back

A variable that can take any value within a given range.

Front

What is the formula for calculating the number of distinguishable permutations of a set of objects?

Back

n! / (n1! * n2! * ... * nk!) where n is the total number of objects and n1, n2, ..., nk are the counts of each indistinguishable object.

Front

What is a sample space in probability?

Back

The set of all possible outcomes of a random experiment.

Front

What is the difference between discrete and continuous random variables?

Back

Discrete random variables can take on a countable number of values, while continuous random variables can take on an infinite number of values within a range.

Front

What is the probability of an event?

Back

The measure of the likelihood that the event will occur, ranging from 0 (impossible) to 1 (certain).