Numerade

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5) Full time Unisa students report spending a mean of 34 hours per week on academic activities. Assume the standard deviation of time spent on academic activities is 7 hours. If you select a random sample of 25 full time Unisa students, there is a 90% chance that the sample mean is less than how many hours per week? a. 34.28 b. 37.61 c. 36.74 d. 36.30 e. 35.79

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5) Suppose your friend, Katrina, is planning on saving for retirement in roughly 25-30 years, and she has a relatively high risk tolerance. She asks you for your recommendation of a savings and investment strategy. Which of the following is the best strategy to recommend? Invest in risky but high yielding securities like stocks, mutual funds, and index funds. Invest in safe but low yielding securities like money market funds, treasury securities, and certificates of deposits. Invest in high risk junk bonds that have a high rate of return (if paid) but also a high risk of failure Put your money under a mattress

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$12.0 \, \Omega$ $75.0 \, V$ $48.0 \, \Omega$ $15.0 \, \Omega$ $\mathcal{E} = ?$

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During the design process, why might designers seek feedback from potential users? A To increase the budget for the project B Feedback is generally avoided in user-centric design C To understand user preferences and improve UX D To find errors in their code

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If an organ is repeated stimulated, mostly likely it will increase its size. Group of answer choices True False

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10. What is the reason for weighing a child? To observe the pattern of growth To determine medication dosagege To identify nutritional problems All of the above

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You send a photon of light to a mirror located one meter away. The photon reflects off of the mirror and returns to the origin. Assuming that light travels at c = 3.0 x 10 8 m/s, how long (in seconds) does it take the photon to return to the origin? Show your work.

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If there is overdominance selection occurring and q is 0.5 in the current generation, which of the following statements is true?

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If government spending exceeds tax collections, a. there is a budget surplus. b. there is a budget deficit. c. private saving is positive. d. public saving is positive. e. none of the above is true.

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3. Use integration by parts to evaluate $\int 20x^2 \cos(2x) dx$.

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michael v.