Explain the law of conservation of energy.

In mid-$2015$ Qualcomm Inc. had $\$ 11$ billion in debt, total equity capitalization of $\$ 89$ billion, and an equity beta of $1.43$ (as reported on Yahoo! Finance). Included in Qualcomm's assets was $\$ 21$ billion in cash and risk-free securities. Assume that the risk-free rate of interest is $3 \%$ and the market risk premium is $4 \%$.

a. What is Qualcomm's enterprise value?

b. What is the beta of Qualcomm's business assets?

c. What is Qualcomm's WACC?

The law of conservation of energy states that _____.

Explain whether or not each of the following would ever differ for two random samples of the same size from the same population. The sample mean

$$\overline{x}$$

The standard deviation of the sampling distribution of

$$\overline{x}$$

The standard error of

$$\overline{x}$$

The standardized z-score for the observed value of

$$\overline{x}$$

The population mean µ

A temporary TFP shock: Suppose the economy is hit with a temporary positive TFP shock. For example, suppose weather conditions are temporarily very favorable for agriculture.
(a) Analyze the effect of the shock in the labor market diagram of a standard DSGE model (with no sticky prices or wages). What is the effect on the real wage and employment in the short run?
(b) How would your answer change if there are sticky prices? Discuss how your answer relates to the impulse response functions shown in previous Figure.

The speaker in each of Momaday's poems expresses poignant feelings for nature and for animals. Yet each speaker expresses his or her feelings and ideas in a different style and form. How did you respond to each speaker? Review these poems, paying careful attention to each speaker. Then answer the following questions:

What clues are given to help you identity each speaker?

In $1981$, a stray black cat with unusual rounded, curled-back ears was adopted by a family in Lakewood, California. Suppose you owned the first curl cat and wanted to breed it to develop a true-breeding variety. Describe tests that would determine whether the curl gene is dominant or recessive and whether it is autosomal or sex-linked. Explain why you think your tests would be conclusive. Describe a test to determine that a cat is true-breeding.

The United States Department of Agriculture (USDA) reports that, under its standard inspection system, one in every 100 slaughtered chickens passes inspection for fecal contamination. The probability of part a was based on a USDA study which found that 306 of 32,075 chicken carcasses passed inspection for fecal contamination. Do you agree with the USDA’s statement about the likelihood of a slaughtered chicken passing inspection for fecal contamination?

The law of conservation of mass states that mass cannot be created or destroyed. To what type of change does this law apply?

Scores on a standardized test are approximately normally distributed with a mean of 480 and a standard deviation of 90. a. What proportion of the scores are above 700? b. What is the 25th percentile of the scores? c. If someone’s score is 600, what percentile is she on? d. What proportion of the scores are between 420 and 520?

The federal nutrition guidelines prepared by the Center for Nutrition Policy and Promotion of the U.S. Department of Agriculture stress the importance of eating reduced amounts of meat to obtain a healthy diet. You have been asked to determine if the per capita consumption of meat at the county level are related to the percentage of adults with diabetes in the county. Data for this study are contained in the data file Food Nutrition Atlas, whose variable descriptions are found in the appendix.

Would you utilize an attribute-based or an attitude-based decision approach to purchasing (or renting) a personal trainer? Which if any, situational factors would change your strategy?

The federal nutrition guidelines prepared by the Center for Nutrition Policy and Promotion of the U.S. Department of Agriculture stress the importance of eating substantial servings of fruits and vegetables to obtain a healthy diet. You have been asked to determine if the per capita consumption of fruits and vegetables at the county level is related to the percentage of adults with diabetes in the county. Data for this study are contained in the data file Food Nutrition Atlas, whose variable descriptions are found in the appendix.

Determine the shear force and bending moment as functions of $xx$.Strategy: Cut the beam at an arbitrary position $xx$ and draw the free-body diagram of the part of the beam to the left of the plane.