The amount of lettuce seeds that are planted and later thinned (or pulled
out) is about 60%. sarah plants a seed every half inch in a row of lettuce
that is 12 feet long. she estimates she will remove about 170 seedlings.
explain if sarah is correct, and if not, correct her error.

Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.