Posted: January 25th, 2016
serve a variety of steak and seafood dinners. During the summer beach season, they do
not take reservations or accept “call ahead” seating. Management of the restaurant is
concerned with the time a patron must wait before being seated for dinner. Listed below
is the wait time, in minutes, for the 25 tables seated last Saturday night.
28 39 23 67 37 28 56 40 28 50
51 45 44 65 61 27 24 61 34 44
64 25 24 27 29
apartments in Albuquerque, New Mexico during the month of May last year.
Electricity Cost Frequency
$ 80 up to $100 3
100 up to 120 8
120 up to 140 12
140 up to 160 16
160 up to 180 7
180 up to 200 4
Total 50
of the mean. What are these limits?
Colorado, area last year.
Use Bayes’ theorem to determine P(A3
@ B1).
P(B1
P(A @ A3) _ .10. 3)_.40. P(B1
@ A1)_.25. P(B1
@ A2P(A )_.05, 1)_.20, P(A2)_.4
of the students will complete the assigned problems. She has also determined that
among those who do their assignments, 90 percent will pass the course. Among those
students who do not do their homework, 60 percent will pass. Mike Fishbaugh took statistics
last semester from Dr. Stallter and received a passing grade. What is the probability
that he completed the assignments?
they are away from home. The local chief of police estimates that 5 percent of the garages
with open doors will have something stolen, but only 1 percent of those closed will have
something stolen. If a garage is robbed, what is the probability the doors were left open?
high. The quality control engineer has been checking the output by almost continuous
sampling since the abnormal condition began. What is the probability that in a sample of
10 pieces:
sample of 200 antennas, find the probability that:
garages, reports that it takes two construction workers a mean of 32 hours and
a standard deviation of 2 hours to erect the Red Barn model. Assume the assembly times
follow the normal distribution.
32 hours and 34 hours to erect?
human resource director shows the annual cost per employee per year followed the normal
probability distribution, with a mean of $1,280 and a standard deviation of $420 per year.
expense?
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