Question 5 1 pts
The length of a rectangle is 3 units more than the width, w. The length
and width are each increased by 5 units. Which expression represents the
new area of the rectangle?
A Sw(w + 3)
B. 5w(w + 8)
c. (w + 5)(w + 3)
0. (w + 8)(w + 5)
A

Asimple random sample of size nequals14 is drawn from a population that is normally distributed. the sample mean is found to be x overbar equals 70 and the sample standard deviation is found to be sequals13. construct a 90% confidence interval about the population mean

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