Scores for a Standardized Test Are Normally Distributed with a Mean

question 83

Short Answer

Scores for a standardized test are normally distributed with a mean of 1200 and a standard deviation of 60. A sample of 36 scores is selected.
a.What is the probability that the sample mean will be larger than 1224?
b.What is the probability that the sample mean will be less than 1230?
c.What is the probability that the sample mean will be between 1200 and 1214?
d.What is the probability that the sample mean will be greater than 1200?
e.What is the probability that the sample mean will be larger than 73.46?

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The legal ability of a person to make decisions or enter into a contract, which requires understanding and appreciating the implications of one's actions.

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An agreement that has met all legal requirements, making it enforceable by law.

Inter Vivos

A transaction between living persons.