Question
Asked Oct 30, 2019

How many different three-letter words (including nonsense words) can be formed such that the two letters are distinct?

check_circleExpert Solution
Step 1

The permutation can be used to find the number of ways by which a set of objects can be arranged when a set of objects are arranged in an order or sequence.

If there are n objects...

Number of possible selections = "P
n!
(n-r)
help_outline

Image Transcriptionclose

Number of possible selections = "P n! (n-r)

fullscreen

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour*

See Solution
*Response times may vary by subject and question
Tagged in

Math

Statistics

Related Statistics Q&A

Find answers to questions asked by student like you

Show more Q&A add
question_answer

Q: How to find margin of error and 95% confidence interval?

A: Margin of error:The margin of error helps in constructing confidence intervals, which gives a range ...

question_answer

Q: #2: Let X1, X2 and X3 an independent and identically distributed (i.i.d.) random sample taken from a...

A: Let X1, X2 and X3 an independent and identically distributed (i.i.d) random sample taken from a dist...

question_answer

Q: The random variable x is known to be uniformly distributed between 1.0 and 1.5.     Show the graph...

A: a. Show the graph of the probability density function of Uniform distribution. From the given inform...

question_answer

Q: A certain flight arrives on time 88 percent of the time. Suppose 121 flights are randomly selected. ...

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are sol...

question_answer

Q: 2.Researchers studied selenium levels in beef raised in a low selenium region of the United States. ...

A: Note:Hey there! Thank you for the question. According to our policy, we have solved the first 3 part...

question_answer

Q: Suppose the heights of a population of male giraffes are normally distributed with an unknown popula...

A: To calculate the confidence interval, there is required critical value of z at 0.10 level of signifi...

question_answer

Q: Suppose the discrete random variable of interest, x, is the number of rolls that result in a composi...

A: 8) From the given information, a dice is rolled three times. The given events are:C:{composite numbe...

question_answer

Q: 2. Suppose the following is the true population model of the effect of mother's smoking on birth wei...

A: Given information:The model of the effect of mother’s smoking on birth weight is birthweight_in_oz=α...

question_answer

Q: Explain the four different types of sampling and give an example of each.

A: Different types of sampling methods with examples.Types of random samplings(1) Simple random samplin...