The Probability That Someone Will Prefer Coke Over Pepsi Is

question 68

Multiple Choice

The probability that someone will prefer Coke over Pepsi is 0.56.A researcher asked 90 people which soda pop they preferred, and used the normal approximation to the binomial with a correction for continuity, what would be the mean used in the calculation?

• A)0.56
• B)90
• C)45.0
• D)50.4
• E)106.7

Grasp the principles of probability sampling techniques.

Understand how sample size affects variability and distribution of sample means.

Learn the importance and characteristics of population types in statistical studies.

Understand the effects of varying probabilities on the standard error of proportions.

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