Sales prices of baseball cards from the 1960's are known to possess a skewed-right distribution with a mean sale price of $5.25 and a standard deviation of $2.80. suppose a random sample of 100 cards from the 1960's is selected. describe the sampling distribution for the sample mean sale price of the selected cards.

Isuck at math ; ^; m a student solved this problem and said the answer is 3 feet. chase had a roll of ribbon that contained 7 7/8  feet of ribbon. he cut off one piece that was 3 5/8  feet long and another piece that was 1 1/4  feet from the roll. how much ribbon was left on the roll? is the student's answer reasonable? yes, the answer is reasonable. no, the answer is not reasonable. it should be about 2 feet. no, the answer is not reasonable. it should be about 13 feet. no, the answer is not reasonable. it should be about 4 feet.