If the IQ scores are normally distributed with a mean of 100 and a standard deviation of 15.
What is the 75th percentile for the IQ score distribution?
Find the probability that a randomly selected person has an IQ score between 88 and 115. (Show work and round the answer to 4 decimal places)
Find the probability that a sample of 36 random selected people has a mean IQ score greater than 105. (Show work and round the answer to 4 decimal places)
There are 10 members in the UCLA Stats Club.
The Club must select a president, a vice president and a treasurer for the school year. How many different ways can the officers be selected? (Show work)
The Club is sending a delegate of 2 members to attend the 2015 Joint Statistical Meeting in Seattle. How many different ways can the delegate be selected? (Show work)
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