A Normally Distributed Population Has a Mean of 500 and a Standard

question 3

Multiple Choice

A normally distributed population has a mean of 500 and a standard deviation of 60. Determine the probability that a random sample of size 25 selected from the population will have a sample mean greater than or equal to 515.

• A) 0.1056
• B) 0.1761
• C) 0.0712
• D) 0.0151

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