4. A simple random sample of the weight of 40 women has a mean of 146.22 lb. Research from other sources suggests that the population standard deviation of weight of women is
30.86 lb. Find a 95% confidence interval estimate of the mean weight of all women.
132.11 lb << 160,33 lb
141.58 lb << 150.86 lb
136.66 lb < p < 155.78 lb
138.19 lb

Find the vertex of the function given below y=x^2-6x+1

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?

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.