DO NOT ANSWER UNLESS YOU KNOW IT. Use the given degree of confidence and sample data to construct a confidence interval for the population mean µ. Assume that the population has a normal distribution. Show your work. n = 30, x = 89.3, s = 18.9, 90 percent

A) (79.79, 98.81)
B) (82.24, 96.36)
C) (83.47, 95.13)
D) (83.44, 95.16)

How can we find the measure of an exterior angle if we know the measurement of an interior angle

What is the multiple zero and multiplicity of f(x) = (x ? 3)(x ? 3)(x + 5)? multiple zero is 3; multiplicity is 2 multiple zero is 5; multiplicity is 1 multiple zero is ? 5; multiplicity is 1 multiple zero is ? 3; multiplicity is 2

Of the following, which statement or statements accurately reflect a way in which credit can be safer than cash? i. if your credit card gets stolen, you can cancel it and get your money back. ii. it is harder to lose a single credit card than a large number of bills. iii. if a merchant does not honor the agreement, you can call the credit company and dispute the charges. a. i and iii b. ii only c. iii only d. i, ii, and iii