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jennyferluna0216
11.04.2021 •
Mathematics
Great Britain has a great literacy tradition that spans centuries. One might assume, then, that Britons read more than citizens of other countries. Some Canadians however, feel that a higher percentage of Canadians than Britons read. A recent random sample found that 912 of 1012 randomly selected Candaians read at least one book per year, compared to 785 of 968 randomly selected Britions. Find a 90% confidence interval for the difference in the proportion of Britons and Canadians who read at least one book a year.
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Ответ:
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Ответ:
Step-by-step explanation:
The perimeter covered by the electric fence in meters is:
The area of the rectangle is:
Let differentiate the previous equation and equates to zero:
The critical point is:
By the Second Derivative Text, it is proved that critical point lead to a maximum:
The other side of the rectangle is:
The largest area than can be enclosed is:
The dimensions of the triangle are: