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The contents of 3737 cans of Coke have a mean of x¯¯¯=12.1x¯=12.1 ounces and a standard...

The contents of 3737 cans of Coke have a mean of x¯¯¯=12.1x¯=12.1 ounces and a standard deviation of 0.130.13 ounces. Assume the contents of cans of Coke have an approximately normal distribution. Find the value of the test statistic tt for the claim that the population mean is μ=12.

A random sample of 32 individuals was selected from the population of interest. The sample provided a mean of 19.5 and a standard deviation of 2.4. Find the p - value for the following null and alternative hypotheses.

(a)
H0:μH0:μ = 20.
Ha:μ<Ha:μ< 20.
The p - value is

(b)
H0:μH0:μ = 20.
Ha:μ≠Ha:μ≠ 20.
The p - value is

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