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4. How would a self-disciplined classroom manager react to misbehavior? A. Punish all students for the behavior of one. B. Use sarcasm. C. Get angry. D. Use sane messages.

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How many vibrations per second are associated with a 101-MHz radio wave? more than 101,000,000 101,000,000 less than 101,000,000

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Assuming a typical significance level, is the following result a statistically significant finding? [t(18) = 2.09, p = .051] a. No, p < 0.05. b. Yes, considering that our t-value is larger than 2.179. c. No, p > 0.05. d. Yes, p < 0.05.

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Question 5: Undecidable language. For each $n \in \mathbb{N}$ let $M_n$ be some Turing machine with input alphabet \{0, 1\} and consider the language $A = \{bin(n) \mid n \in \mathbb{N} \text{ and } M_n \text{ rejects } bin(n)\}$ where $bin(n)$ is the binary representation of number $n$. That is, $bin(n)$ is in A if and only if the computation of $M_n$ on input $bin(n)$ terminates in the reject state. (a) Prove that A is not decided by any of the machines in the list $M_0, M_1, M_2, M_3, ...$ (b) Where (be very specific) would your argument from part (a) fail if you tried to prove that A isn't recognized by any of the machines in the list?

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Question 8 0.5 pts The effect size in a Z test or t test basically represents the degree to which (Note: This question asks about what the effect size basically represents, or what it is proportional to. It is NOT asking about how the effect size is precisely defined, nor how it is mathematically defined). ? two populations overlap ? the chance of making a Type II error ? the means of two groups differ from each other ? the probability of rejecting the null hypothesis

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PCl₅(g) dissociates into PCl₃(g) and Cl₂(g) when heated at 250°C and 1 atm. If the density of the gas mixture at equilibrium is 4.4 g/L, the fraction of PCl₅(g) dissociated is?

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1.) Suppose a ten-year, $1,000 bond with an 8.7% coupon rate and semiannual coupons is trading for $1,034.64. a. What is the bond's yield to maturity (expressed as an APR with semiannual compounding)? b. If the bond's yield to maturity changes to 9.3% APR, what will be the bond's price? 2.) Suppose that General Motors Acceptance Corporation issued a bond with 10 years until maturity, a face value of $1,000, and a coupon rate of 7.5% (annual payments). The yield to maturity on this bond when it was issued was 6.1%. Assuming the yield to maturity remains constant, what is the price of the bond immediately before it makes its first coupon payment? Before the first coupon payment, the price of the bond is ______. (round to the nearest cent)

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Which of the following is most important when attempting to establish causation? Group of answer choices a) external validity b) internal validity c) construct validity d) statistical validity

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When a country's ability to maintain its fixed exchange rate is doubted by Investors: Multiple Choice All of these statements are true. the value of its currency tends to appreciate too quickly. it may fall under a speculative attack. the exchange rate is likely to spiral upward, out of control.

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Which of the following is an example of political risk a. Government may impose taxes on subsidiary b. Government may impose barriers on subsidiary c. Consumers may boycott the MNC d. All of the above.

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