The Probability of Correctly Predicting the Outcome of a Coin

question 68

Multiple Choice

The probability of correctly predicting the outcome of a coin toss is p = 1/2.What is the standard deviation of the normal approximation to the binomial distribution for the number of correct predictions in a series of 100 tosses?​

• A)​50
• B)​25
• C)​10
• D)​5

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