3-39. A popular restaurant in the mall has conducted marketing research on four new salads it is considering putting on the menu. The percentages of study participants in various age categories and their salad preference are shown in the table below. Salad preference was found to be independent of age. Fill in the rest of the probability area model. a. P(55 or older AND BBQ chicken salad) = b. Is this an intersection or union? c. What is the probability that a randomly selected person from the study is under 75 years old? %3D Age 45 to Under 25 to 35 to 55 to 65 to 75 and 25 34 54 64 74 over 17% 14% 5% 8% .8% 6% .6% 36% 14% 3.6% 1.4%.7°/ 1.4% .5% Feta Cheese 10% BBQ.Chicken 60% 21.6% 8.4% 10.2% 8 4% 4.8% 3.6% 3% Asian Ginger 10% 3.6% 47 1.7% 1.4% .8% .6% .5% * Chopped Cobb 20% 2.8%34 2.8% 7.2% 1.6% 1.2% 1% Salad preference
3-39. A popular restaurant in the mall has conducted marketing research on four new salads it is considering putting on the menu. The percentages of study participants in various age categories and their salad preference are shown in the table below. Salad preference was found to be independent of age. Fill in the rest of the probability area model. a. P(55 or older AND BBQ chicken salad) = b. Is this an intersection or union? c. What is the probability that a randomly selected person from the study is under 75 years old? %3D Age 45 to Under 25 to 35 to 55 to 65 to 75 and 25 34 54 64 74 over 17% 14% 5% 8% .8% 6% .6% 36% 14% 3.6% 1.4%.7°/ 1.4% .5% Feta Cheese 10% BBQ.Chicken 60% 21.6% 8.4% 10.2% 8 4% 4.8% 3.6% 3% Asian Ginger 10% 3.6% 47 1.7% 1.4% .8% .6% .5% * Chopped Cobb 20% 2.8%34 2.8% 7.2% 1.6% 1.2% 1% Salad preference
A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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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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please solve the following and explain propability
Transcribed Image Text:3-39. A popular restaurant in the mall has conducted marketing research on four new
salads it is considering putting on the menu. The percentages of study participants in
various age categories and their salad preference are shown in the table below. Salad
preference was found to be independent of age.
Fill in the rest of the probability area model.
a. P(55 or older AND BBQ chicken salad) D
b. Is this an intersection or union?
c. What is the probability that a randomly selected person from the study is
under 75 years old?
%
%3D
Age
45 to
Under
25 to
35 to
55 to
65 to
75 and
25
34
44
54
64
74
over
36%
14%
17%
14%
8%
6%
5%
1.7°% 1.4% .8%
.6%
.5%
Feta Cheese
3.6%
1.4%
10%
BBQ.Chicken
60%
10.2% .4%
21.6% 8.4%
4.8%
3.6%
3%
Asian Ginger
10%
3.6% 47 1.7% 1.4%
.8%
.6%
.5%
Chopped Cobb
20%
2.8% 3,419 2.8%
7.2%
1.6%
1.2%
1%
Salad preference
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