Question

. Quality control wants to check Coffee Day's claim that its cans of coffee contains at...

.

Quality control wants to check Coffee Day's claim that its cans of coffee contains at least 3 pounds of coffee. The director wants to perform a hypothesis test, with a .05 level of significance, to check Coffee Day's claim. Suppose a random sample of 36 cans provides a sample mean of 2.94 pounds.

Previous tests show that the population standard deviation is 0.18

Math   Statistics-And-Probability   
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