The overhead reach distances of adult females are normally distributed with a mean of 205.5 cm and a standard deviation of 8 cm. A) find the probability that an individual distance is greater than 218.90 cm
B) find the probability that the mean for 15 randomly selected distances is greater than 204.20 cm
C) why can the normal distribution be used in part B, even though the sample size does not exceed 30

Amajor grocery store chain is trying to cut down on waste. currently, they get peaches from two different distributors, whole fruits and green grocer. out of a two large shipments, the manager randomly selects items from both suppliers and counts the number of items that are not sell-able due to bruising, disease or other problems. she then makes a confidence interval. is there a significant difference in the quality of the peaches between the two distributors? 95% ci for pw-pg: (0.064, 0.156)

Using the figure below, select the two pairs of alternate interior angles.a: point 1 and point 4 b : point 2 and point 3 c: point 6 and point 6d: point 5 and point 7

Awindow washer cleans 42 windows in 2 hours. at this rate, how many windows did he clean in 180 minutes.