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(CORRECT ANSWER) MATH225N Week 6 Quiz : A group of friends has gotten very competitive with their board game nights. They have found that overall, they each have won an average of 18 games, with a population standard deviation of 6 games. 

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QUESTION 15

A group of friends has gotten very competitive with their board game nights. They have found that overall, they each have won an average of 18 games, with a population standard deviation of 6 games. If a sample of only 2 friends is selected at random from the group, select the expected mean and the standard deviation of the sampling distribution from the options below. Remember to round to the nearest whole number.

Select all that apply:

σx¯=6 games

σx¯=3 games

σx¯=4 games

μx¯=18 games

μx¯=3 games

μx¯=9 games

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