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Consider a finite population with five elements labeled A, B, C, D, and E. Ten possible simple random samples of size 2 can be selected.
Consider a finite population with five elements labeled A, B, C, D, and E. Ten possible simple random samples of size 2 can be selected. (a) List the 10 samples beginning with AB, AC, and so on. (Enter your answers as a comma-separated list.) AB, AC, AD, AE. BC, BD. BE, CD, CE, DE w/ (b) Using simple random sampling, what is the probability that each sample of size 2 is selected? (Enter your probability as a fraction.) 1 0 y (c) Assume random number 1 corresponds to A, random number 2 corresponds to B, and so on. List the simple random sample (SRS) of size 2 that will be selected by using the random digits 9, 0, 3, 7, 3, 5, 4. (Hint 1: a SR5 is done without replacement; Hint 2: you will need to skip values that are invalid.) List your answer as a Zacharacter sequence, i.e., AB. X You may need to use the appropriate appendix table or technology to answer this question. The proportion of individuals insured by the Alerriver Automobile Insurance Company who received at least one trafc ticket during a fiveiyear period is 0.15. (a) Show the sampling distribution of; if a random sample of 160 insured individuals is used to estimate the proportion having received at least one ticket. 0.09 0.12 0.15 0.13 0.21 1.35 o.s5 0.15 1.15 2.15 4.03 o 0.03 am 0.09 P @ @O (00 'UI 0.06 0.03 0 0.03 0.06 O E) (b) What is the probability that the sample proportion will be within 10.03 of the population proportion? {Round your answer to four decimal places.) |:|x
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