Consider the following statements relating to sample size and confidence intervals:
I). The width of a confidence interval decreases as the sample size increases.
II). When width of a confidence interval decreases this is due to standard error becoming smaller.
III). More precise results are obtained when the sample size is increased.
Which is true?

A 5.25% coupon Treasury security with one year left to maturity is selling for 101.75, and a two-year
5 .45% coupon Treasury security is selling at a discount of 0.40% from par. Assume annual discounting.
The spot rate for the second year is

Assuming everything else remains the same, when a stock goes ex-rights its price should:

The actual yield to maturity earned at the end of the bond's life may differ from the expected yield to maturity at purchase because of:

A certain function has 2 key properties.
I). 0 = p(x) = 1.
II). The sum of the probabilities p(x) over all values of X equals 1.This function is known as the