What Is the value of 3^3 +7(2x-6) when x=4
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Answer:
$7.28
Step-by-step explanation:
The average price, or the expected price, of any item in this specialty store is given by the weighted average of each item's price. That is, the sum of the products of each individual price by its corresponding sales mix:
The average price of any item in the store is $7.28
Let the null hypothesis be that the agent's claim is correct. Using a standard normal probability table we find:
The p-value 0.14 is much larger than alpha = 0.01, so we cannot reject the agent's claim.
The p-value 0.14 is much larger than alpha = 0.01, so we cannot reject the agent's claim.