How can you convert a standard deviation to a variance?

The variable X is the value of an uneven dice after one roll. It produced the following probability distribution P(X): P(1) = 0.05 P(2) = 0.28 P(3) = 0.12 P(4) = 0.23 P(5) = ? P(6) = ? What is the probability that X = 5 or X = 6?

The variable X is the value of an uneven dice after one roll. It produced the following probability distribution P(X): P(1) = 0.05 P(2) = 0.28 P(3) = 0.12 P(4) = 0.23 P(5) = ? P(6) = ? What is the probability that X = 2 or X = 3?

The average price of a car in a used car lot is $18,000. These prices are Normally distributed with a standard deviation of $3,000. What is the probability that any random car is below $18,000?

What is the probability of rolling a fair dice and getting an even number and flipping a fair coin getting a head?

Which of the following is an example of mutually exclusive events?

Standard deviation is the most common measure of .... .

The population you are interested in studying is called:

Probability of occurrence of a Type I error referred to as?

Statistics is a branch of .... .

If a company's production is consistently going down due to some reasons, which technique or method would you employ to analyze those reasons/causes?