The historical returns for the past three years for stock b and the stock market portfolio were stock b: 24 percent, 0 percent, 24 percent; market portfolio: 10 percent, 12 percent, 20 percent. calculate the observed covariance of returns between stock b and the market portfolio. (ignore the correction for the loss of a degree of freedom set out in the text.)

The last time he flew jet value air, juan's plane developed a fuel leak and had to make an 4) emergency landing. the time before that, his plane was grounded because of an electrical problem. juan is sure his current trip will be fraught with problems and he will once again be delayed. this is an example of the bias a) confirmation b) availability c) selective perception d) randomness

Afood worker has just rinsed a dish after cleaning it.what should he do next?

Darlene has a balance of 3980 on a credit card with an apr of 22.8% paying off her balance and which of these lengths of time will result in her paying the least amount of interest?