7- (40 Points) Use Boolean Identities to simplify the following Boolea (2).docx

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7. (40 Points) Use Boolean Identities to simplify the following Boolean functions: a) x y z + x y z + x yz + x y z + x yz .

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7. What is the nickname of the Federal Reserve System? a. "Ole money bags" b. "The Fed" c. "The Bank" d. "First National Bank" e. "The FeRS" 8. What part of the Federal Reserve System is responsible for the buying and selling of governmer securities? a. Advisory Council b. Board of Governors c. Twelve Regional Banks d. Open Market Operations Committee e. the Federal Exchange Commission 9. How many districts did the Federal Reserve Act divide the nation into? a. 3 b. 6 c. 12 d. 25 .

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7. Portfolio expected return and risk A collection of financial assets and securities is referred to as a portfolio. Most individuals and institutions invest in a portfolio, making portfolio risk analysis an integral part of finance. Just like standalone assets and securities, portfolios are also exposed to risk. Portfolio risk refers the possibility that an investment portfolio will not generate the expected rate of return. Analyzing portfolio risk and return involves the understanding of expected returns from a portfolio. Consider the following case: Kenji is an amateur investor who holds a small portfolio consisting of only four stocks. The stock holdings in his portfolio are shown in the following table: The expected return on Kenji's stock portfolio is Suppose each stock in the preceding portfolio has a correlation coefficient of 0.4 ( = 0.4 ) with each of the other stocks. The market's average standard deviation is around 20% , and the weighted average of the risk of the individual securities in the partially diversified portfolio of four stocks is 33% . If 40 additional, randomly selected stocks with a correlation coefficient of 0.3 with the other stocks in the portfolio were added to the portfolio, what effect would this have on the portfolio's standard deviation ( p ) ? It would gradually settle at about 35% . It would stay constant at 33% . It would decrease gradually, settling at about 0% . It would gradually settle at about 20% . .

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6. Calculate: Davis has received a college scholarship and can choose whether to receive it as an immediate one-time payment of $10 , 000 or as a series of four equal payments (at the end of each year), each totaling $3 , 000 . Assume that Davis secures a discount rate of 9% . Only considering TVM principles, which option is most valuable to Davis? a. He should take an immediate payment of $10 , 000 . b. He should take a series of four payments of $3 , 000 each. c. Both scenarios are equal. d. There is not enough information to determine the answer. .

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6) Organisms with the genotypes AABbCcDD and AaBbCcDd are crosses- Wha.docx

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7- Given an IP address of 131-107-2-104 and a subnet mask of 255-255-2.docx

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7. Dumpy wings ( d p ) and brown eyes (bw) are both recessive alleles of Drosophila. Homozygous dumpy flies are bred to homozygous brown flies, yielding all wild-type F 1 flies. F 1 females are then bred to dumpy, brown males, yielding equal proportions of four phenotypes. a. Diagram the cross. (1 point) b. What can you say about the dumpy and brown alleles? (Think carefully, there are two possibilities here.) (2 points) .

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7. Dysarthria associated with Parkinson's Disease is best described as: a. Loss of arm swing and slowed movement. b. Lack of coordination in articulation speech. c. Lack of voluntary horizontal eye movements. d. Lack of voluntary coordination of muscle movements. 8. Which of the following are common early manifestations of Parkinson disease? a. Extreme weakness in the legs and spastic movement in the arms b. Visual deficits and speech impairment c. Tremors at rest in the hands and repetitive motion of the hands d. Loss of facial expression and altered posture and gait 9. Which of the following is NOT a typical effect of advanced Parkinson's disease? a. Difficulty chewing and swallowing b. Orthostatic hypotension c. Urinary retention d. Loss of vision 10. Approximately 20% of people diagnosed with Parkinson's develop; a. Pneumonia b. Bradykinesia c. Parkinson's Dementia d. Autonomic dysfunction 11. What are the characteristic changes in the brain of a patient with Alzheimer's disease? a. Cortical atrophy with plaques and neurofibrillary tangles, impairing conduction b. Increased acetylcholine ( ACh ) and decreased G.AB.A and serotonin levels c. Obstruction of many small arteries and arterioles throughout the cerebral cortex d. Vacuoles forming in the neurons, rapidly destroying them. 12. Which of the following is an important tool for measuring progressive cognitive decline? a. Glasgow Coma Scale b. Rancho Los Amigos Scale c. Mini-Mental State Exam d. Cognition and Memory Test 13. Common manifestations of Alzheimer's Disease include: a. Rapid memory loss and frequent hostility. b. Cognitive retention of recent events and poor judgment. c. Inappropriate sexual behaviour and changes in food preference. d. Gradual cognitive function decline and loss of facial recognition. .

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7. Different varieties of the tropical flower Heliconia are fertilized by different species of hummingbirds. Over time, the lengths of the flowers and the form of the hummingbirds' beaks have evolved to match each other. We measure the lengths (in mm ) of two varieties of these flowers on the island of Dominica. Some summary statistics are shown below: We would like to construct a confidence interval to estimate the difference in the mean lengths for the two varieties. The standard error of the estimate X 1 X 2 is: (A) 0.747 (B) 1.796 (C) 0.799 (D) 1.594 (E) depends on the confidence level .

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7. Density slicing produces an Image that uses a range of contrasting colors (see figure 5.:2z). Prepare a list of advantages and disadvantages of this form of image entiancement. 9. The digttal format is now becoming the de facto standard for recording and storing aerfal imagery Discuss some of the advantages and disadvantages that accompany thils change. 30. Some students find it highly illogical to use band combinations in which, for example, radiation in the red region of the spectrum is displayed using another color. Explain in a few concises sentences why such band combinations are useful. .

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7. Click Electronics and Supply has the following transactions in July related to the purchase of merchandise inventory. (i) (Click the icon to view the transactions) Journalize the purchase transactions for Click Electronics and Supply assuming the company uses the perpetual invento table.) Jul. 3. Return of $2 , 500 of the computers to Baltic Computers. Jul. 9. Payment made on account to Baltic Computers. .

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7- Assume an average generation length for humans of 25 y- Approximate.docx

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7. Answer the following questions using the diagrams provided, which represent cross sections of bacterial cell walls. A. Which diagram represents a gram-positive bacterium? How can you tell? B. Explain how the Gram stain works to distinguish these two types of cell walls. C. Why does penicillin have no effect on most gram-negative cells? D. How do essential molecules enter cells through each wall? E. Which cell wall is toxic to humans? .

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7. (10) Draw the market for pizza in an initial equilibrium. Assume pizza is a normal good, and that the economy is entering a recession, with incomes declining. In a different color (or clearly labelled), show which curve shifted and in which direction, draw the new equilibrium, and answer the following questions: Price of pizza (a) increased or (b) decreased Quantity of pizza (a) increased or (b) decreased .

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7. (10 marks) A and B are two events in a sample space S with probabilities P [ A ] and P [ B ] respectively. A) Find P [ A B ] under the following different circumstances: (a) A and B are disjoint. (b) A is a subset of B . (c) B is a subset of A . (d) A and B are independent. B) Show that if P [ A B ] > P [ A ] then P [ B A ] > P [ B ] and comment on whether in this case A and B are independent. .

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