Suppose you have a loaded coin that when flipped is likely to land on heads about 20% of the time, and on tails 80% of the time. If you flip this coin three times, what is the expected value for tails? What is the variance and standard deviation? What is the probability of you getting 2 tails?

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
icon
Related questions
Topic Video
Question

Suppose you have a loaded coin that when flipped is likely to land on heads about 20% of the time, and on tails 80% of the time.

If you flip this coin three times, what is the expected value for tails?

What is the variance and standard deviation?

What is the probability of you getting 2 tails?

Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 1 images

Blurred answer
Knowledge Booster
Discrete Probability Distributions
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.
Recommended textbooks for you
College Algebra
College Algebra
Algebra
ISBN:
9781337282291
Author:
Ron Larson
Publisher:
Cengage Learning