Question: can you please help me solve this problem Example: You have given a sample mean (x bar) of 70 and a population standard deviation sigma

can you please help me solve this problem

Example:

You have given a sample mean (x bar) of 70 and a population standard deviation sigma () of 2.5 from a previous study where n= 40 values, find the z value and p-value. The data indicates that the population means () the brand says that their drinks contain 45% less sugar for this problem and .05 as your alpha.

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