Q5-2 Probability Secret Code

Here is the Prepped to Learn Video for class and  this Quiz in case you get stuck and need a little more help. You can also email me at ssheridan@alpinedistrict.org, or drop into the classroom for help.  Goal on quizzes is above an 80%.  Please redo it until you conquer! 
Video Link
https://drive.google.com/file/d/1zC1mYfGjAA-VxGBOojHKfZ-Gmv4otWbv/view?usp=sharing

Day 2 Quiz: Security Clearance

SECURITY CLEARANCE CHECK

Protocol 5C: Conditio6nal Probability

AGENT: DATE:

INTERCEPTED DATA: LUNCH ORDERS


FriesOnion RingsTOTAL
Hamburger40646
Cheesesteak401454
TOTAL8020100

1. The "Given" Check

In the question "Given the customer ordered a Cheesesteak...", which number represents your NEW Total (Denominator)?

Answer:   


2. Calculate Conditional 

Given the customer ordered a Hamburger, what is the probability they chose Fries? 

P(Fries | Hamburger) =  =   % 

3. Calculate Conditional 

Given the customer ordered Onion Rings, what is the probability they ate a Cheesesteak?

P(Cheesesteak | Rings) =   = %  

4. Concept Verification

Why is P(Fries | Hamburger) different from P(Fries AND Hamburger)? Explain using the numbers from the table. 

Because...   


Complete the following Table 


ChocolateVanillaTwistTotals
Child352030 
Adult2020 130
Totals   

What is the probability that they like chocolate given they are an adult?
 %

What is the relative frequency that it will be a child given they like a twist cone?
%