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6 Homework2: Problem 26 Previous Problem Problem List Next Problem (1 point) A random sample of n measurements was selected from a population with standard deviation = 16.8 and unknown mean μ. Calculate a 90 % confidence interval for u for each of the following situations: (a) n = 35, x=97.8 (b) n = 50, x= 97.8 (c) n = 80, x= 97.8 sus Sus Email instructor SUS (d) In general, we can say that for the same confidence level, increasing the sample size the confidence interval. (Enter: "DECREASES", "DOES NOT CHANGE" or "INCREASES", without the quotes.) Note: You can earn partial credit on this problem. Preview My Answers Submit Answers You have attempted this problem 0 times. You have unlimited attempts remaining. ⠀⠀ ⠀⠀ the margin of error (width) of