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(answered) – 1) A sample of 100 is taken with a standard deviation of 2.4

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(answered) – 1) A sample of 100 is taken with a standard deviation of 2.4DescriptionSolution downloadThe Question1) A sample of 100 is taken with a standard deviation of 2.4 units; with what probability will the true mean be within a margin of error of 0.3 units?2) A sample of 100 peacock bass are caught and a sample mean of 6.5 pounds is noted.? If the standard deviation is assumed to be 2.4 pounds, find a 95% confidence interval for the true mean size.a) We have given, n = 100 ,?X= 6.5 pounds , ? = 2.4 pounds ,Z value for 95% confidence level is = 1.96Therefore, confidence interval formula is:6.5?1.96*2.4?1006.5?0.4704…