martinjohnsond079
29.06.2019 •
Mathematics
The dimensions of various-sized rectangular trays are created using the expression x – 1 for the width and x + 5 for the length. the function a(x) = x2 + 4x – 5 represents the area of the trays. the maximum length of the trays is 12 inches. the mathematical range of the function is y ≥ −9. how does this differ from the reasonable range? the reasonable range is 0 < y ≤ 12. the reasonable range is 0 < y ≤ 72. the reasonable range is 0 < y ≤ 7. the reasonable range is 0 < y ≤ 187
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Ответ:
“The average is 24 ounces”
Step-by-step explanation:
The null hypothesis is always a statement that is already established and we consider true, until it emerges a situation that makes us doubt about the truthfulness of that established fact.
The null is very often an average or mean, but not necessarily.
In this case, as the established fact is that the boxes are filled with an average weight of 24 ounces, the null hypothesis is “The average is 24 ounces”