Let s, c, and p be a stock; a stock, a european call on the stock, and a european put on the stock. the prices of each are 42. 4.15, and 1.70, respectively. two investors, a and b, invest in portfolios containing quantities of the call and the put on the stock. investor a purchases 2 calls and 1 put. the elasticity of a's portfolio is 3.36. investor d purchases 4 calls and writes 6 puts. delta_b = 4.8. what is the elasticity of the call? what is the dividend rate of s?

The train station clock runs too fast and gains 5 minutes every 10 days. how many minutes and seconds will it have gained at the end of 9 days?

Atest of sobriety involves measuring the subject's motor skills. a sample of 31 randomly selected sober subjects take the test and produce a mean score of 64.4 with a standard deviation of 2. a claim is made that the true mean score for all sober subjects is equal to 65. for each part below, enter only a numeric value in the answer box. for example, do not type "z =" or "t =" before your answers. round each of your answers to 3 places after the decimal point. (a) calculate the value of the test statistic used in this test. test statistic's value = (b) use your calculator to find the p-value of this test. p-value = (c) use your calculator to find the critical value(s) used to test this claim at the 0.2 significance level. if there are two critical values, then list them both with a comma between them. critical value(s) =

Which are the possible side lengths of a triangle?