Discuss the below:
Q1: An orange juice producer buys all his oranges from a large orange grove. The amount of juice squeezed from each of these oranges is approximately normally distributed, with a mean of 4.70 ounces and a standard deviation of 0.40 ounce.
A. What is the probability that a randomly selected orange will contain between 4.70 and 5.00 ounces of juice?
B. What is the probability that a randomly selected orange will contain between 5.00 and 5.50 ounces of juice?
C. 77% of the oranges will contain at least how many ounces of juice?
D. 80% of the oranges contain between what two values (in ounces of juice), symmetrically distributed around the population mean?
Q2: The same article mentioned in Problem 6.52 also reported that the mean download time for H&R Block Web site, www.hrblock.com, is 2.5 seconds. Suppose that the download time is normally distributed, with a standard deviation of 0.5 second. What is the probability that a download time is
a. less than 1 second?
b. between 0.5 and 1.5 seconds?
c. above 0.5 second?
d. Above how many seconds are 99% of the download times?