Warm-up – Wed. 10-17
1. How many styles are possible if a contractor offers
3 roof designs, 4 choices of window designs and 6
choices of brick?
2. Five letters, with repetition allowed, are selected
from the alphabet. What is the probability that none
are repeated?
Warm-up –
Thurs. 10-18
Attendance at a football game in a certain cit y
results in the following pattern. If it is extremely
cold, the attendance will be 30,000; if it is cold, it
will be 40,000; if it is moderate, 60,000; and if it is
warm, 80,000. If the probabilities for extremely cold,
cold, moderate and
warm are 0.08, 0.42, 0.42 and 0.08,
respectively, how many fans are expected to attend the
game.
Warm-up –
Fri. 10-19
From a box containing 3 white, 2 green, and 1 yellow
ball, 2 balls are drawn one at a time without replacing
the first ball before the second is drawn. Find the
probability that 1 white and 1 yellow ball are drawn.
Week of: 10-22
Warm-up: Monday October 22md
Warm-up: Tuesday, October 23rd
A marketing firm randomly sends a mass promotional
mailing to 20% of the households in a new market area.
From experience the firm knows that the probability of
response to a mailing is 0.07. What is the probability
that a household receives the mailing and responds?
Warm-up: Wednesday, October 24th
 A candidate for office believes that 2/3 of his
registered voters in her district will vote for her
in the next election. If two registered voters are
independently selected at random, what is the
probability that
a. Both of them will vote for her in the next
election?
b. Neither will vote for her in the next election?
c. Exactly one of them will vote for her in the next
election?
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Warm-up: Monday, October 29th
A television network has four 30- minute time slots
for comedies and has and has 14 shows to choose from
for the fall lineup. How many different comedy lineups
are possible?
Warm-up: Tuesday, October 30th
In how many ways can 2 people each have
different birthdays? Assume 365 days in a year?