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Service calls arriving at an electric company follow a Poisson distribution with an average arrival rate of 31 per hour. Using the normal approximation to the Poisson, find the probability that the electric company receives at least 38 service calls per hour. Round your answer to four decimal places, if necessary.

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In immunocytochemistry, Question 30Answer a. tissue slices are cut and incubated with antigen in solution. cross out b. the antibody response is not very selective because it recognizes a class of similar proteins. cross out c. antibodies must initially be tested by injecting them into host animals. cross out d. cells containing the neuropeptide endorphin can be visualized via creating tagged antibodies against the neuropeptide.

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Explain why equalizing the marginal utility per dollar for all goods maximizes utility. If the marginal utility per dollar from hot chocolate exceeds the marginal utility per dollar from video games, buy hot chocolate and play ______ video games to maximize total utility. A. more; more B. more; fewer C. less; fewer D. less; more

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The following amino acid side chain is __________. -CH-CH3 | CH3 basic hydrophilic hydrophobic acidic polar

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Not yet answered Points out of 1.00 Flag question What is the IUPAC name for the structure below?

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Calculate (acute angles only): (without a calculator) 5.1.1. If $\sin A = \sin B$, the values of $\hat{A}$ and $\hat{B}$ 5.1.2. If $\sin A = \frac{1}{2}$ then $\hat{A} = ... ?$ 5.1.3. If $\sin A = \cos B$, the values of $\hat{A}$ and $\hat{B}$

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For the state of plane stress shown with a = 2.2 MPa, and b = 12.0 MPa, and the shear stress equal to 10.1 MPa. Determine the value of the shear stress in-plane shearing parallel to the weld. The answer should be in MPa with 1 digit of accuracy. The weld is at an angle of $\theta$ = 74 degrees with the x-axis. Hint: Draw Mohr's circle, and then determine what the shear stress is after rotating through the appropriate angle.

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Presented below is information related to Pronghorn Corp., which sells merchandise with terms 2/10, net 60. Pronghorn Corp. records its sales and receivables net. July 1 Pronghorn Corp. sold to Warren Harding Co. merchandise having a sales price of $16,000. 5 Accounts receivable of $12,600 (gross) are factored with Andrew Jackson Credit Corp. without recourse at a financing charge of 8%. Cash is received for the proceeds; collections are handled by the finance company. (These accounts were all past the discount period.) 9 Specific accounts receivable of $12,600 (gross) are pledged to Alf Landon Credit Corp. as security for a loan of $6,900 at a finance charge of 7% of the amount of the loan. The finance company will make the collections. (All the accounts receivable are past the discount period.) Dec. 29 Warren Harding Co. notifies Pronghorn that it is bankrupt and will pay only 10% of its account. Give the entry to write off the uncollectible balance using the allowance method. (Note: First record the increase in the receivable on July 11 when the discount period passed.) Prepare all necessary entries in general journal form for Pronghorn Corp. (If no entry is required, select "No Entry" for the account titles and enter 0 for the amounts. Credit account titles are automatically indented when the amount is entered. Do not indent manually. Record journal entries in the order presented in the problem.) 7/5 Date Account Titles and Explanation (To record discount forfeited) 7/9 (To record notes payable) Debit Credit

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57) Steven is beginning a new job but has not yet been paid He needs $400 to pay his rent this monthSteven is going to borrow the money through a Payday Loan establishment. They are charging him an $80 fee to borrow the money for 10 days until he receives his first paycheck What is the actual interest rate that Steven is being charged? 58) You disagree with Ed "Shifty" Smith, a car salesperson on the price of an open-end lease. He says the depreciation charge is only $6,000. What is the actual depreciation charge for a car now worth $23,000 that is expected to drop in value to $15,000 in two years?

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Question 4 [3 Total Marks] In the figure below is given the electric field intensity \(\mathcal{E}(x)\) profile for a p-n junction made from a single semiconductor material. Describe (bullet points are sufficient; you may wish to sketch also) how the above electric field intensity profile changes if the p-n junction is a hetero-junction. A hetero-junction is a junction made from two different materials in contrast to a homo-junction that is made from a single material. That is, the p-region is made from one semiconducting material and the n-region is made from a different semiconducting material. \(\mathcal{E}(x)\) -Xp Xn X

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