a- What is the probability that a soft drink is chosen randomly by a customer? b- What is the probability that a customer will choose a coffee/tea beverage given that he/she is between 21 - 34 years of age? c- What is the probability that a customer is between 35 - 55 years and chooses milk to drink?
a- What is the probability that a soft drink is chosen randomly by a customer? b- What is the probability that a customer will choose a coffee/tea beverage given that he/she is between 21 - 34 years of age? c- What is the probability that a customer is between 35 - 55 years and chooses milk to drink?
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 4ECP: Show that the probability of drawing a club at random from a standard deck of 52 playing cards is...
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Binomial Distribution
Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.
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Question
Transcribed Image Text:A random poll of 80 lunch customers is taken, resulting in the following contingency table of
observed values.
Preferred Beverage
Soft Drink
Coffee/Tea
Total
Other (Milk,
Juice, etc.),
A2
A3
21-34, B1
35-55, B2
>55, B1
Age
11
8
20
4
18
30
14
6.
10
30
23
18
29
80
a- What is the probability that a soft drink is chosen randomly by a customer?
b- What is the probability that a customer will choose a coffee/tea beverage given that
he/she is between 21 - 34 years of age?
c- What is the probability that a customer is between 35-55 years and chooses milk to
drink?
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