The standard deviation of the population is 1 at a-0.05 is, Ask an Expert

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What is the average of sticks of gun he or she chewing daily was 8. To test the claim a researcher selected a random sample of 36 gum chewer and found the mean number of sticks of gum chewed per days was 9. The standard deviation of the population is 1 at a-0.05, is the number of sticks of gum a person chews per day actually greater that 8?

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