Question

You measure 40 backpacks' weights, and find they have a mean weight of 41 ounces. Assume the population standard deviation is 3 ounces. Based on this, what is the maximal margin of error associated with a 90% confidence interval for the true population mean backpack weight. Give your answer as a decimal, to two places + ounces License Points possible: 1 Unlimited attempts. Message instructor about this question

Answer 1

Solution foom dacta standand dewiakon-3 a:।- १০/ 2 -0.90 Za2645 whee Mangin of anor 6) : Zah[ = 16५5 (च) 3 645O443 Mangin e Gmo e)- o-7802 410.3802 uppn imi zu o3802 40.22 48 (40.22, 41.8) ounces '. So, he 90% Conkdne dntenul &s-(vo-22 A 18),/ 41.78