The Chocochip Cookie Store bakes its cookies everymorning before opening. It costs the store 15¢ to bake eachcookie, and each cookie is sold for 35¢. At the end of the day, leftover cookies may be sold to a thrift bakery for 5¢per cookie. The number of cookies sold each day is describedby the discrete random variable in Table 22. a How many dozen cookies should be baked beforethe store opens?b If the daily demand (in dozens) for cookies is N(50, 400), how many dozen cookies should be baked? A de-scription of the N(m, s2 ) notation can be found in Sec-tion 1.7. c If the daily demand (in dozens) for cookies has adensity functionf(d) e5d0/50(d 0)how many dozen cookies should be baked? Demand(dozens) Probability20 .3030 .2040 .2050 .1560 .15
The Chocochip Cookie Store bakes its cookies every
morning before opening. It costs the store 15¢ to bake each
cookie, and each cookie is sold for 35¢. At the end of the
day, leftover cookies may be sold to a thrift bakery for 5¢
per cookie. The number of cookies sold each day is described
by the discrete random variable in Table 22.
a How many dozen cookies should be baked before
the store opens?
b If the daily demand (in dozens) for cookies is N(50,
400), how many dozen cookies should be baked? A de-
scription of the N(m, s2
) notation can be found in Sec-
tion 1.7.
c If the daily demand (in dozens) for cookies has a
density function
f(d)
e
5
d
0
/50
(d 0)
how many dozen cookies should be baked?
Demand
(dozens) Probability
20 .30
30 .20
40 .20
50 .15
60 .15
Trending now
This is a popular solution!
Step by step
Solved in 6 steps with 8 images