Question: To be legal for certain types of prize competitions, bowling balls must be very close to

16 lb. The weights of bowling balls from a certain manufacturer are known to be normally distributed with a mean of 16 lb. and a standard deviation of .25 lb. A ball will

be rejected if it weighs less than 15.68 lb.

1. What is the probability that a ball will be rejected? Round your answer to two
   significant digits.
2. Describe how you would use a table of random digits (comprised of 0, 1, 2, 3,
   4, 5, 6, 7, 8, and 9) to simulate how long it would take to identify three
   defective bowling balls.
3. Use the table below to perform the simulation you described in part B, this time

for three defective bowling balls. Repeat your simulation three times, starting

with the first digit of the first line and proceeding left to right, starting again at

the extreme left of each successive line. What is the average waiting-time

based on your three simulations?

77014 21414 95729 01392 37814 22931 94998 56569 30213 03469

16334 43057 03297 61609 68462 26199 98324 41436 96050 95744

98563 56006 93060 29402 76577 39814 75704 26127 42577 17458

25883 51840 45515 18925 46458 61380 79369 01710 93720 73046

16434 57044 23969 78022 67976 23279 67173 44918 91684 94775

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