Submit Question If n=21, (x-bar)=48, and s=20, construct a confidence interval at a 80% confidence level. Assume the dat

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Submit Question If N 21 X Bar 48 And S 20 Construct A Confidence Interval At A 80 Confidence Level Assume The Dat 1 (38.84 KiB) Viewed 12 times

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Submit Question If n=21, (x-bar)=48, and s=20, construct a confidence interval at a 80% confidence level. Assume the data came from a normally distributed population. Give your answers to one decimal place. Question 9 <ft< pts ± the form Einstead of interval notation. Submit Question Details You measure 49 backpacks' weights, and find they have a mean weight of 41 ounces. Assume the sample weights' standard deviation is 4.2 ounces. Based on this, construct a 99% confidence interval for the true population mean backpack weight. Give your answers as decimals, to two places 0/2 pts 32 Details ounces Hint: your answer should be in