Statistics Problems

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7. Award: 0.20 points    

In a recent study, 35% of people surveyed indicate 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? (Round your answer to

the nearest whole number.)

Expected number of people

b. What is the probability exactly four of those in the sample name chocolate? (Do not round

intermediate values. Round your answer to 4 decimal places.)

Probability

c. What is the probability four or more name chocolate? (Round intermediate values to 4 decimal

places. Round your answer to 4 decimal places.)

Probability

rev: 10_16_2017_QC_CS-105479

References

Worksheet Difficulty: 3 Challenge

Learning Objective: 06-04 Explain the assumptions of the binomial distribution and apply it to calculate probabilities.

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