Asimple random sample of size n is drawn from a population that is known to be normally distributed. the sample variance, s squareds2, is determined to be 11.611.6. complete parts (a) through (c). (a) construct a 90% confidence interval for sigma squaredσ2 if the sample size, n, is 20. the lower bound is 7.317.31. (round to two decimal places as needed.) the upper bound is 21.7921.79. (round to two decimal places as needed.) (b) construct a 90% confidence interval for sigma squaredσ2 if the sample size, n, is 30. the lower bound is 7.907.90. (round to two decimal places as needed.) the upper bound is 1919. (round to two decimal places as needed.) how does increasing the sample size affect the width of the interval? the width does not change the width increases the width decreases

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In the 10th grade, i was teamed up in a group of four. our project was on modern history. altho it seemed super hard for many of us. patrick fleming  took charge and showed us the understanding of this project.  his leadership showed great ethics and it taught me, personally, how to others understand, not just to show them, but explain it thoroughly. and altho he was a great teacher i would have changed a few things. one being his attitude. many times he would get frustrated and impatient with the group.  i think  a leader i would have done exactly  what he did but with much more patience and be there more to explain. such as lunch  learning. and giving everybody a chance to try to explain it in their  head.