A Binomial Distribution Has 50 Trials (N = 50)with a Probability

question 18

Multiple Choice

A binomial distribution has 50 trials (n = 50) with a probability of success of 0.50 (π = 0.50) . To use the normal distribution to approximate the binomial,what are the mean and standard deviation?

• A)µ = 25 and σ = 3.5355
• B)µ = 25 and σ = 12.5
• C)µ = 25 and σ = 4.33
• D)µ = 50 and σ = 100

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