A nationwide test taken by high school sophomores and Juniors has three sections, each scored on a scale of 20 to 80. In a recent year, the national mean score for the writing section was 49.2, with a standard devlation of 10.6. Based on this infomation, complete the following statements about the distribution of the Scores on the writing section for the recent year. a) According to Chebyshev's theorem, at least (about 89%) of the Scores lle betweenand. (Round your answer to 1 decimal place.) b) According to Chebyshev's theorem, at least (Choose one) of the Scores lie between 28.0 and 70.4. 366 56% 7595 84%

Q: Can you also go through questions 5 through 9?

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Q: Refer to Table 2. The mode is

A: mode is most frequency value

Q: Portion C of the question needed to be answered.

A: From part (b) we have µY = 1.89 and  Standard deviation (σ) = 0.4

Q: Solve the following initial value problem. y"' - 2y" + 5y' = 156 e 4x. y"(0) = 56, y'(0) = 16, y(0)…

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Q: Use the following information to answer questions 4-7. Match the following operations with their…

A: We can represent each of the operations using venn diagram.

Q: One questions with "parts"

A: Solution: Given information: n= 253  Sample size  x= 111 succesess  p= 0.50 Population proportion…

Q: Consider a population of 300 with a mean of 60 and a standard deviation equal to 28. What is the…

A: The mean is 60 and the standard deviation is 28.

Q: 6. If three balls are selected at random without replacement, how many combinations are possible? If…

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Q: I need help with parts a-c

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Q: Question in picture below

A: Given that we need to match the zeros of each equations . Now, 1) f(x) = (x - 7)2(x - 4)( x + 3)…

Q: Answers to part A and B please

A: The speed of water flowing in a channel is , V=1.486A2/3S1/3p2/3n, where A =cross section…

Q: can you do parts d,e,f aswell please

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Q: Part C shows up as incorrect

A: Given :

Q: 3. The data in Table 7–7 were collected in an experiment designed to investigate the impact of…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A D 9) Simplify. 9- O 3 27 2 27 27

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