If a card is randomly selected from an ordinary 52-card deck, then find the probability that it will be a black or a face card.

How many different 4 letter words (including nonsense words) can be made from the letters of FRVWXPSE, if letters cannot be repeated?

How many different 4 letter words (including nonsense words) can be made from the letters of FRVWXPSE, if the letters can be repeated?

Suppose an organization elects its officers from a board of trustees. If there are 30 trustees, how many groups of size 4 can be selected?

How many ways can 6 senators be arranged around a table?

 In how many ways can a traveling salesman travel to 10 states? 

4 FBI agents are to be selected from a group of 9 to investigate a case. In how many different ways can the agents be selected?

If a couple has 4 children, what is the probability that they have two or more girls?

What is the total number of gender sequences when a couple plans to have 12 children?

On a multiple-choice test, each question has 5 possible answers. If you make a random guess on the first question, what is the probability that you are correct?

Two fair dice are rolled. Find the probability of each of the following events. (Hint: Construct a sample space). Getting even dots on both dice

Two fair dice are rolled. Find the probability of each of the following events. (Hint: Construct a sample space). ) Getting a sum of 5 on both dice

Two fair dice are rolled. Find the probability of each of the following events. (Hint: Construct a sample space). Getting an even number of dots on the first die and an odd number on the second die.

The following table lists the grade distribution of a randomly selected Statistics class from a university. Find the probability of getting an A in this class based on the data provided. Provide your answer in decimal form. Round your answer to 3 decimal points Grade -- Freq A--8 B--6 C--15 D--2 F--5

Using the digits 1, 2, 3 and 5, how many 4-digit numbers can be formed if The first digit must be 1 and repetition of the digits is allowed?

Using the digits 1, 2, 3 and 5, how many 4-digit numbers can be formed if The first digit must be 1 and repetition of the digits is not allowed?

Using the digits 1, 2, 3 and 5, how many 4-digit numbers can be formed if The number must be divisible by 2 and repetition is allowed?

Using the digits 1, 2, 3 and 5, how many 4-digit numbers can be formed if The number must be divisible by 2 and repetition is not allowed?

At a store that has 1500 CD's and 980 DVD's in stock, 10 of the CD's and 4 of the DVD's are known to have a scratch on them. If a customer picks a disk at random, what is the probability that it will be a DVD or scratched?

At a store that has 1500 CD's and 980 DVD's in stock, 10 of the CD's and 4 of the DVD's are known to have a scratch on them. If a customer picks a disk at random, what is the probability that it will be a CD or not scratched?

At a store that has 1500 CD's and 980 DVD's in stock, 10 of the CD's and 4 of the DVD's are known to have a scratch on them. If a customer picks a disk at random, what is the probability that it will be a DVD or a CD?