Use the Appropriate Normal Distribution to Approximate the Resulting Binomial

question 148

Multiple Choice

Use the appropriate normal distribution to approximate the resulting binomial distribution. A basketball player has a 75% chance of making a free throw. What is the probability of her making 80 or more free throws in 120 trials?

• A) The probability is 0.9822.
• B) The probability is 0.9864.
• C) The probability is 0.9744.
• D) The probability is 0.9898.

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Definitions:

Type I Error

The statistical error that occurs when the null hypothesis is incorrectly rejected when it is actually true.

Type II Error

The error of failing to reject a false null hypothesis, also known as a false negative error.

Test Power

The probability that a statistical test will reject a false null hypothesis, a measure of a test’s effectiveness.

Sample Size

The number of observations or units included in a sample, which can influence the reliability and validity of statistical results.