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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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kate lynn kate lynn
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6 years ago
A sample of 81 account balances of a credit company showed an average balance of 1,200 . The population standard deviation is 126 . You want to determine if the mean of all account balances is significantly different from 1,150 . Use a .05 level of significance.
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somedaysundaysomedaysunday
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6 years ago
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kate lynn Author
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6 years ago
Just got PERFECT on my quiz
Transonic
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Yesterday
Thanks for your help!!
carston
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2 hours ago
You make an excellent tutor!
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