1. Calculate the probability that a weekly sample will result in a shutdown of produc- tion if the production process is working properly. Comment on GGG manage- ment's policy for deciding when to shut down production of Go Bananas!. 2. GGG management wants to shut down production of Go Bananas! no more than 1% of the time when the production process is working properly. Suggest the ap- propriate number of boxes in the weekly sample that must fail to meet the standard weight of banana-flavored marshmallows in order for production to be shut down if this goal is to be achieved. 3. Ms. Finkel has suggested that if given sufficient resources, she could redesign the pro- duction process to reduce the percentage of 16-ounce boxes of Go Bananas! that fail to meet the standard weight of banana-flavored marshmallows when the process is work- ing properly. To what level must Ms. Finkel reduce the percentage of 16-ounce boxes of Go Bananas! that fail to meet the standard weight of banana-flavored marshmal- lows when the process is working properly in order for her to reduce the probability at least five of the sampled boxes fail to meet the standard to .01 or less?

1. Calculate the probability that a weekly sample will result in a shutdown of produc- tion if the production process is working properly. Comment on GGG manage- ment's policy for deciding when to shut down production of Go Bananas!. 2. GGG management wants to shut down production of Go Bananas! no more than 1% of the time when the production process is working properly. Suggest the ap- propriate number of boxes in the weekly sample that must fail to meet the standard weight of banana-flavored marshmallows in order for production to be shut down if this goal is to be achieved. 3. Ms. Finkel has suggested that if given sufficient resources, she could redesign the pro- duction process to reduce the percentage of 16-ounce boxes of Go Bananas! that fail to meet the standard weight of banana-flavored marshmallows when the process is work- ing properly. To what level must Ms. Finkel reduce the percentage of 16-ounce boxes of Go Bananas! that fail to meet the standard weight of banana-flavored marshmal- lows when the process is working properly in order for her to reduce the probability at least five of the sampled boxes fail to meet the standard to .01 or less?

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

Great Grasslands Grains, Inc. (GGG) manufactures and sells a wide variety of breakfast
cereals. GGG's product development lab recently created a new cereal that consists of rice
flakes and banana-flavored marshmallows. The company's marketing research department
has tested the new cereal extensively and has found that consumers are enthusiastic about
the cereal when 16-ounce boxes contain at least 1.6 ounces and no more than 2.4 ounces of
the banana-flavored marshmallows.
As GGG prepares to begin producing and selling 16-ounce boxes of the new cereal,
which it has named Go Bananas!, management is concerned about the amount of banana-
flavored marshmallows. It wants to be careful not to include less than 1.6 ounces or
more than 2.4 ounces of banana-flavored marshmallows in each 16-ounce box of Go
Bananas!. Tina Finkel, VP of Production for GGG, has suggested that the company mea-
sure the weight of banana-flavored marshmallows in a random sample of 25 boxes of
Go Bananas! on a weekly basis. Each week, GGG can count the number of boxes out
of the 25 boxes in the sample that contain less than 1.6 ounces or more than 2.4 ounces
of banana-flavored marshmallows; if the number of boxes that fail to meet the standard
weight of banana-flavored marshmallows is too high, production will be shut down and
inspected.
Ms. Finkel and her staff have designed the production process so that only 8% of all
16-ounce boxes of Go Bananas! fail to meet the standard weight of banana-flavored marsh-
mallows. After much debate, GGG management has decided to shut down production of
Go Bananas! if at least five boxes in a weekly sample fail to meet the standard weight of
banana-flavored marshmallows.

Prepare a managerial report that addresses the following issues.
1. Calculate the probability that a weekly sample will result in a shutdown of produc-
tion if the production process is working properly. Comment on GGG manage-
ment's policy for deciding when to shut down production of Go Bananas!.
2. GGG management wants to shut down production of Go Bananas! no more than
1% of the time when the production process is working properly. Suggest the ap-
propriate number of boxes in the weekly sample that must fail to meet the standard
weight of banana-flavored marshmallows in order for production to be shut down
if this goal is to be achieved.
3. Ms. Finkel has suggested that if given sufficient resources, she could redesign the pro-
duction process to reduce the percentage of 16-ounce boxes of Go Bananas! that fail to
meet the standard weight of banana-flavored marshmallows when the process is work-
ing properly. To what level must Ms. Finkel reduce the percentage of 16-ounce boxes
of Go Bananas! that fail to meet the standard weight of banana-flavored marshmal-
lows when the process is working properly in order for her to reduce the probability
at least five of the sampled boxes fail to meet the standard to .01 or less?

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