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In a recent survey 35 percent indicated chocolate was
Chapter 6, Problem 37E(choose chapter or problem)
In a recent survey 35 percent indicated chocolate was their favorite flavor of ice cream. Suppose we select a sample of ten people and ask them to name their favorite flavor of ice cream.
a. How many of those in the sample would you expect to name chocolate?
b. What is the probability exactly four of those in the sample name chocolate?
c. What is the probability four or more name chocolate?
Questions & Answers
QUESTION:
In a recent survey 35 percent indicated chocolate was their favorite flavor of ice cream. Suppose we select a sample of ten people and ask them to name their favorite flavor of ice cream.
a. How many of those in the sample would you expect to name chocolate?
b. What is the probability exactly four of those in the sample name chocolate?
c. What is the probability four or more name chocolate?
ANSWER:Solution:
Step 1 of 3:
In a survey 35 percent indicated chocolate was their favourite flavor of ice cream.
A random sample of ten people is selected.
- We have to find the expected number of people who will name the chocolate.
- We have to find the probability that exactly four of those in the sample name the chocolate.
- We have to find the probability that four or more name chocolate.