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Home Q & A Board Science-Related Homework Help Mathematics
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strobro strobro
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6 years ago
A random sample of 21 checking accounts at a bank showed an average daily balance of 430 with a standard deviation of 50.
 a. Provide a 95 confidence interval estimate of the variance of the population of the checking accounts.
  b. Provide a 95 confidence interval estimate of the standard deviation of the population of the checking accounts.
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hahauebfhahauebf
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6 years ago
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strobro Author
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6 years ago
Smart ... Thanks!
gma_of_7
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Yesterday
I appreciate what you did here, answered it right Smiling Face with Open Mouth
Helpmeplease11
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2 hours ago
Thank you, thank you, thank you!
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