Numerade

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the Gompertz-Makeham distribution has hazard function h(t) = 1 + et, t > 0. Find the cumulative hazard function and survival function.

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Choose the MOST appropriate method for solving each of the following quadratic equations: Equation x^2 - 7x + 10 = 0 0.81x^2 + 192x - 8.99 = 0 (8x + 4)^2 + 16 = 45 Method a. Apply the Quadratic Formula b. Square Root Method / Square Root Property c. Factoring and the Zero-Product Property

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An electric field of $4.93 \times 10^5$ N/C points due west at a certain spot. What is the magnitude of the force that acts on a charge of $-7.85 \mu C$ at this spot?

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Question 10 (1 point) Listen Aric has a family history of relatives developing schizophrenia later in life. Aric begins to express symptoms of schizophrenia earlier in life than his relatives. Which is the BEST explanation for this? Genes for mental disorders are expressed randomly so it is impossible to tell why this happened Aric was likely drinking more alcohol than his relatives which accelerates onset of mental health disorders Stressors or traumatic experiences in the environment can trigger someone's genetic markers to be expressed Aric's family was too nurturing and supportive which made his brain understimulated

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Assume that you plan to use a significance level of $\alpha = 0.05$ to test the claim that $p_1 = p_2$. Use the given sample sizes and numbers of successes to find the p-value for the hypothesis test.\ $n_1 = 50, n_2 = 75$\ $x_1 = 20, x_2 = 15$\ A. 0.1201\ B. 0.0146\ C. 0.0032\ D. 0.0001

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17. An object moves in uniform circular motion. Its kinetic energy is directly proportional to the__. I. centripetal force? II. radius of the circle × III. period of the circular motion A. I only B. II only C. III only D. I and II only E. II and III only

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Which alkyl bromide is least likely to form a carbocation in a polar protic solvent? A) I B) II C) III D) IV

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(22) The system given by the following transfer function is an unstable system because one of two poles is positive. True False $H(z) = \frac{z(z - 0.5)}{(z + 0.5)(z - 0.8)}$ (23) It is possible that two different sequences have the same z-transform expressions. True False (24) Which sequence's z-transform has a donut-type ROC (a) $(0.5)^{-0.5n}u[n] + (0.5)^{0.5n}u[-n - 1]$ (b) $\delta[n] - 1.25\delta[n - 1] + 0.5\delta[n - 3]$ (c) $(0.5)^{0.5n}u[-n - 1]$ (d) $(0.5)^{-0.5n}\delta[n]$ (25) A signal $x(t) = 2\cos(20\pi t) + \cos(32\pi t)$ is sampled at a rate of 30 Hz. Which is the sample amplitude spectrum in the frequency range from 0 to 15 Hz?

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(b) In most countries, regulations and financial incentives are in place to encourage energy efficiency because energy efficiency measures are found to make the largest contribution in climate mitigation. In your own words, defend the above with TWO (2) strategic plans.

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5. You have 12 skittles: 5 purple, 4 red, 2 yellow and 1 green. How many visually distinct ways can you line them up from left to right? (We will put the letter S facing up) A: 83,160 $\frac{n!}{n_1!n_2!n_3!} = \frac{12!}{5!4!2!}$ 6. How many of those 83,160 result in the first two being purple? A: 12,600 7. How many result in the two yellow skittles being next to each other? A: 13,860

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marc w.