A 67.2 g sample of a gold and palladium alloy contains 3.43×10²³ atoms .

1) What is the mass percentage of the gold in the alloy?

2) What is the mass percentage of the palladium in the alloy?

Bond J is a 5 percent coupon bond. Bond K is a 11 percent coupon bond. Both bonds have 10 years to maturity, make semiannual payments, and have a YTM of 7 percent. Requirement 1: (a) If interest rates suddenly rise by 3 percent, what is the percentage price change of Bond J? (b) If interest rates suddenly rise by 3 percent, what is the percentage price change of Bond K? Requirement 2: (a) If interest rates suddenly fall by 3 percent, what is the percentage price change of Bond J? (b) If interest rates suddenly fall by 3 percent, what is the percentage price change of Bond K?

Bond J is a 4 percent coupon bond. Bond K is a 9 percent coupon bond. Both bonds have 8 years to maturity, make semiannual payments, and have a YTM of 9 percent. Requirement 1: (a) If interest rates suddenly rise by 5 percent, what is the percentage price change of Bond J? (b) If interest rates suddenly rise by 5 percent, what is the percentage price change of Bond K? Requirement 2: (a) If interest rates suddenly fall by 5 percent, what is the percentage price change of Bond J? (b) If interest rates suddenly fall by 5 percent, what is the percentage price change of Bond K?

Bond J has a coupon rate of 3 percent. Bond K has a coupon rate of 10 percent. Both bonds have 6 years to maturity, make semiannual payments, and have a YTM of 8 percent.

a. If interest rates suddenly rise by 5 percent, what is the percentage price change of Bond J?

b. If interest rates suddenly rise by 5 percent, what is the percentage price change of Bond K?

c. If interest rates suddenly fall by 5 percent, what is the percentage price change of Bond J?

d. If interest rates suddenly fall by 5 percent, what is the percentage price change of Bond k?

The price of shares of the Continental Bank at the end of trading each day for the last year followed the normal distribution. Assume there were 240 trading days in the year. The mean price was $42.00 per share and the standard deviation was $2.25 per share. Refer to the table in Appendix B.1. (Round the final answers to 2 decimal places.)  

a-1. What percentage of the days was the price over $45.00?

Percentage of days ________ %

a-2. How many days would you estimate?

Number of days ______

b. What percentage of the days was the price between $38.00 and $40.00?

Percentage of days _______ %

c. What was the minimum price of the stock on the highest 15 days of the year?

Stocks price ________ $

As a newly hired manager of a company that provides cell phone service, you want to determine the percentage of adults in your state who live in a household with cell phones and no land-line phones. How many adults must you survey? Assume that you want to be 90% confident that the sample percentage is within 4 percentage points of the true population percentage.

In a test of effectiveness of garlic for lowering cholesterol, 47 subjects were treated with Garlicin, which is garlic in a processed tablet form. Cholesterol levels were measured before and after the treatment. The changes in their levels of LDL cholesterol (in mg/dL) have a mean of 3.2 and a standard deviation of 18.6.

Both Bond A and Bond B have 9 % coupons, make semiannual payments, and are priced at par value. Bond A has 5 years to maturity, whereas Bond B has 16 years to maturity.

A) If interest rates suddenly rise by 4 percent, what is the percentage change in the price of A?

B) If interest rates suddenly rise by 4 percent, what is the percentage change in the price of Bond B?

Both Bond A and Bond B have 7 % coupons, are priced at par value, and make semiannual payments. Bond A has 5 years to maturity, whereas Bond B has 15 years to maturity.

A) If interest rates suddenly rise by 4 percent, what is the percentage change in the price of Bond A?

B) If interest rates suddenly rise by 4 percent, what is the percentage change in the price of Bond B?