Question: please solve, all answers I tried are wrong The answer above is NOT correct. (1 point) Find the minimum sample size needed to be 99%

please solve, all answers I tried are wrong

The answer above is NOT correct. (1 point) Find the minimum sample size needed to be 99% confident that the sample variance is within 20% of the population variance. 167 At least one of the answers above is NOT correct. (1 point) The weights of a random sample of cereal boxes that are supposed to weigh 1 pound are given below. Estimate the standard deviation of the entire population with 99.1% confidence. 0.95 0.97 0.97 0.97 1.05 1 1.03 0.97 LCL = 0.0203 UCL = 0.0943

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