The weight of mechanically produced items at a manufacturing…

The weight of mechanically produced items at a manufacturing facility are normally distributed, with a mean of 1072 pounds and a standard deviation of 34 pounds. (Round z-scores to 2 decimal places and all else to 3 decimal places.)   a. What is the Z-score for an item weighing 1146 pounds? b. Find the probability that a randomly selected item weighs less than 1146 pounds. c. Find the weight that represents the 44th percentile. d. Find the probability that a randomly selected item weights between 1000 pounds and 1146 pounds.

Suppose the wait time at a doctor’s office is uniformly dist…

Suppose the wait time at a doctor’s office is uniformly distributed between 4 minutes and 26 minutes. (Round to 3 decimal places.)   a. Find the probability that a randomly selected patient has to wait less than 17 minutes. b. Find the probability that a randomly selected patient has to wait longer than 30 minutes.

The doctor is examining the patient’s retina and you are scr…

The doctor is examining the patient’s retina and you are scribing.  The doctor notes that the patient has a suspicious retinal lesion on the superior temporal retina.  Where would you expect the patient to have visual field problems resulting from this lesion?