Write $4\left(\frac{4}{12}\right)$ as repeated addition.

A) $16+16+16+16$
B) $\frac{4}{12}+\frac{4}{12}+\frac{4}{12}+\frac{4}{12}+\frac{4}{12}$
C) $\frac{16}{12}+\frac{16}{12}+\frac{16}{12}+\frac{16}{12}$
D) $\frac{4}{12}+\frac{4}{12}+4$
E) $\frac{4}{12}+\frac{4}{12}+\frac{4}{12}+\frac{4}{12}$

The ______ the desired level of confidence, the ______ the confidence interval for the mean.

A) higher; wider
B) lower; narrower
C) higher; narrower
D) lower; wider

An investor bought an 8% bond at 92. Compute the current yield. (Round answer to two decimal places.)

Joshua wants to structure a 20-year annuity so that its end-of-quarter payments are $2,000 for the first 10 years and $2,500 for the next 10 years. Pacific Life Insurance Co. offers to sell this annuity with a 4.8% compounded monthly rate of return to the annuitant. What amount must Joshua pay to Pacific for the annuity?

A precision instrument is guaranteed to read accurately to within 2 units. A sample of four instrument readings on the same object yielded the measurements 360, 358, 358, and 362. Test the null hypothesis that = 0.7 against the alternative > 0.7. Use = 0.05.
Test statistic = ______________
Critical Value(s) = ______________
Conclusion: ______________
Interpretation: ____________________________
Find a 90% confidence interval for the population variance.
______________