What does it mean to say you have “equally likely outcomes”?
In this section you learned some more probability rules.
What does it mean to say you have “equally likely outcomes”?
What is the formula for the Equally Likely Rule
What is the formula for the Complement Rule? _______________________
What are the formulas for the two Addition Rules? __
How do you know which one of the above formulas to use when you have to compute P(A or B)?
For the exam, do you need to memorize all of the formulas above? ___ ___
Why not?
Fill in the following as you work through your given problems in MyOpenMath.
It is important in this section to use the new probability notation that you learned in this section. That notation will be used for the rest of this course…not just in this section.
1. Fill in the following in the context of this problem:
Experiment: ______
Number of equally likely outcomes to this experiment is ___. (The answer is NOT 6)
a. P( orange or brown ) = _____________________ ≈ _______________
event fraction decimal
Explain why it is legal to add the probabilities in part a.
___________________P( orange or brown) = P(Orange) + P(brown) – P(orange and brown)_____________________________________________________
b. P( not orange ) = ________1570/1951______________ ≈ ____0.805______________
event fraction decimal
2. Fill in the following in the context of this problem:
Experiment: _______ times__________________________________________________________
Number of equally likely outcomes to this experiment is _____.
a. List the sample space: S = { _______ HHH,HHT,HTH,HTT,THH,THT,TTH,TTT_________________________________________________ }
b. P( getting exactly 1 head ) = ____________________ ≈ _______________
event fraction decimal
c. P( at least 2 heads ) = ___________________ ≈ _____________
event fraction decimal
d. P( even number of heads ) = ___________________ ≈ _______________
event fraction decimal
e. P( all heads or all tails ) = ___________________ ≈ ________________
event fraction decimal
f. P( exactly two heads or exactly two tails ) = _______________ ≈ _____________
event fraction decimal
g. P( not getting at least 2 heads ) = __________________ ≈ _______________
event fraction decimal
3. Fill in the following in the context of this problem:
Experiment: ______
Number of equally likely outcomes to this experiment is _____.
a. List the sample space: S = { ____ 1H,2H,3H,4H,5H,6H,1T,2T,3T,4T,5T,6T____________________________________________________ }
b. P( getting a head ) = ____________________ ≈ ________________
event fraction decimal
c. P( getting a 1 ) = _____________________ ≈ _________________
event fraction decimal
d. P( 2 or a head ) = _____________________ ≈ ________________
event fraction decimal
e. P( 3 and a tail ) = _____________________ ≈
event fraction decimal
4. Fill in the following in the context of this problem:
Experiment: _________
a. You can find a picture of the sample space for rolling two dice on page ____ of your book.
How many equally likely outcomes are there? _____
b. P( a sum of 7 ) = ____________________ ≈ _________________
event fraction decimal
c. P( 3 on the first die ) = _______≈ ________________
event fraction decimal
d. P( a sum of 7 and a 3 on the first die ) = ___≈ __________ _______
event fraction decimal
e. P( a sum of 7 OR a 3 on the first die ) = ______________________ ≈ _____ _____________
event fraction decimal
f. P( getting doubles ) = ____________________ ≈ ____ ______________
event fraction decimal
g. P( both dice to be odd numbers ) = __________________ ≈_______________
event fraction decimal
h. P( getting doubles AND both dice to be odd numbers ) = ____________________ ≈
event fraction decimal
i. P( getting doubles OR both dice to be odd numbers ) = ______1________________ ≈
event fraction decimal
Collepals.com Plagiarism Free Papers
Are you looking for custom essay writing service or even dissertation writing services? Just request for our write my paper service, and we'll match you with the best essay writer in your subject! With an exceptional team of professional academic experts in a wide range of subjects, we can guarantee you an unrivaled quality of custom-written papers.
Get ZERO PLAGIARISM, HUMAN WRITTEN ESSAYS
Why Hire Collepals.com writers to do your paper?
Quality- We are experienced and have access to ample research materials.
We write plagiarism Free Content
Confidential- We never share or sell your personal information to third parties.
Support-Chat with us today! We are always waiting to answer all your questions.
