You notice that there is a trend, but just can't figure it o order a hamburger and 15% of them ask for a cup of w order a sandwiches, and 8% of them ask for a cup of v hotdog, and 42% of them would ask for a cup of water. a) Draw a tree diagram for the story above.
You notice that there is a trend, but just can't figure it o order a hamburger and 15% of them ask for a cup of w order a sandwiches, and 8% of them ask for a cup of v hotdog, and 42% of them would ask for a cup of water. a) Draw a tree diagram for the story above.
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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
Transcribed Image Text:2) You have a small food to go restaurant where you sell Hamburgers, Sandwiches, and Hotdogs.
You notice that there is a trend, but just can't figure it out. You notice 35% of the customers would
order a hamburger and 15% of them ask for a cup of water. You notice 38% of the customers would
order a sandwiches, and 8% of them ask for a cup of water. The rest of the customers would order
hotdog, and 42% of them would ask for a cup of water.
a) Draw a tree diagram for the story above.
b) What is the probability that a customer would ask for a water cup?
c) What is the probability that a customer would ask for a water cup?
Expert Solution

Step 1: Given data
35% people order hamburgers and 15 % of them order water
38% people order sadwiches and 8% of them order water
remaining means 100% - 35% + 385 = 23% people order hotdogs and 42% of them order water.
to draw tree diagram main roots are: hamburger, sandwiches and hotdogs
stems for each root are oreder water or not.
Step by step
Solved in 3 steps with 1 images

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