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hi investing females, selecting for investing males simply because of a treat that females preferred describes which hypothesis

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The owner of Best Bakes Inc. is interested in determining how the price of one of its cakes corresponds to the number of those cakes sold per day. Below are results from several days, with different prices. Let X be the price of the cake, in dollars, and Y be the number of cakes sold per day. (Assume that the populations that X and Y come from are normally distributed.) The $R^2$ value is 83.5%. X 1.50 2.00 2.50 3.00 3.50 4.00 Y 26 24 19 22 15 15 X Y $X^2$ $Y^2$ XY 1.50 26 2.25 676.00 39.00 2.00 24 4.00 576.00 48.00 2.50 19 6.25 361.00 47.50 3.00 22 9.00 484.00 66.00 3.50 15 12.25 225.00 52.50 4.00 15 16.00 225.00 60.00 16.50 121 49.75 2547 313 a. Calculate the equation of the regression line and express Y as a function of X. Slope = -4.514 Intercept = 32.581 $Y = 32.58 - 4.51X$ b. Calculate the correlation coefficient. Does it appear that X and Y are strongly related? $r = -0.914$ $R^2 = 83.5\%$ Yes, the r is very close to -1 indicating a strong negative correlation.

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Mirela has never been a great student, but once she gets into college, it is even harder. She tries reading the book and does poorly. Her instructor encourages her to outline the text as she reads, but she still does poorly. She goes to tutoring, but is still failing. No matter what she does, it does not seem to help her do better in class. Based on this experience, Mirela may develop the cognitive risk factor for depression known as a) learned helplessness. b) the negative cognitive triad. c) cognitive distortion. d) an unstable attributional pattern.

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1. Suppose that the mean average of grades of 800 Senior High School students in General Mathematics is 85 with a standard deviation of 5 . Assume that the distribution of grades is approximately normal. a. What is the probability that the grade of Erick is from 70 to $ 90 ? $ b. If Cindy gets a grade of 90 , what is her percentile rank among the 800 SHS students?

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Scenario: The CIO of your company wants to expand your network to include wireless access/wireless devices, but he/she needs to know more information before making a recommendation to the CEO and CFO. The CIO has put together a task force to research and report on various aspects of adding wireless access to the company. As a member of the IT staff, you have been selected as a member. Deliverables: 1. Write a short description of your fictitious company and identify how many employees it has who may need to access the wireless network. This will help determine costs and other features/issues associated with the wireless network. 2. Describe two business challenges addressed/solved by moving to wireless networking. If wireless networking will not solve any business challenges, why not? Do you think the ability to roam between access points is a useful feature for your company? Why? Why not?

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Question No. 3: Total Marks=30 [12(3+6+3)+18(6+4+8)] A. The government of Ontario received funds under the federal infrastructure program recently and decided to build two new hockey arenas in New Market, Ontario. To build these sport facilities, the government needs to buy land. The land around New Market is privately owned. If the government does not purchase this land, the owner could sell it to private developers who would build houses on it. The developers demand for this land is given by the following function: D = 16,500 - 0.75P Where D is quantity demanded in acres and P is measured in dollars per acre. The supply of land is fixed at 500 acres and does not change due to change in the price of land. So, the supply function is: S = 500 (i) Determine the price at which the government would purchase this land and the total amount of money it will spend to purchase land. (ii) Determine the cost of this resource from society's point of view. Explain your results. (iii) Would it be appropriate to use total cost of land to represent the opportunity cost of this resource from society's point of view? Explain.

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Please use MATLAB for this problem (Extra Credits) (Conjugate Gradient Method II) Suppose that we seek to minimize the following function: f(x,x2)=-9x-10x^2+0-ln(100-x-x^2)-ln(x)-ln(x^2)-ln(50-x+x^2)| where 0 is a given parameter. Note that the domain of this function is X={(x1,x2)|x1>0,x2>0,x1+x2<100,x1-x2<50} (a) Now solve this problem using the conjugate gradient method. Run your algorithm for 0 = 10 and for 0 = 100, using the following starting points: (i) xo=(8,90)T (ii) xo = (1,40)T (iii) xo= (15,68.69)T (iv) To=(10,20)T (b) What sort of convergence behavior do you observe? Does the optimal solution depend on different initial points?

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6. A bcc crystal with a shear modulus of 10 GPa has an edge dislocation line in the [110] direction for a=0.3 nm a) Find a possible Burger's vector b) the resulting slip plane c) the energy per unit length of the dislocation, in eV/nm.

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As compared to the availability of drugs to treat prokaryotic infections, the pharmacopoeia of drugs that can safely and effectively treat eukaryotic infections is fairly limited. Why is it especially challenging to develop safe anti-protozoan drugs for human and/or animal use?

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XYZ Company operates in the retail sector. John, in an attempt to estimate the value of shares in XYZ, has found that average retail sector PE ratio is 30. If an analyst predicts the EPS for XYZ in the next period to be $2.20 per share, which of the following seems to be the appropriate value of an XYZ share?

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megan c.