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Question 1:
A mail-order firm has a circular which elicits a 10% response rate. Suppose 20 of the circulars are mailed as a market test in a new geographic area. Assuming that the 10% response rate is applicable in the new area, determine the probability that
(i) no one responds,
(ii) exactly two people respond,
(iii) less than 20% of the people respond.
Question 2:
The packaging process in a breakfast cereal company has been adjusted so that an average of 13.0 oz of cereal is placed in each package. Of course, not all packages have precisely 13.0 oz because of random sources of variability. The standard deviation of the actual net weight is 0.1 oz and the distribution of weights is known to follow the normal probability distribution.
(i) What is the probability that the weight of the cereal will exceed 13.25 oz?
(ii) Evaluate the probability that a randomly chosen package will contain between 13.0 and 13.2 oz of cereal.
In a sample of 120 workers in a factory, the mean and standard deviation of wages were Rs. 11.35 and Rs.3.03 respectively. Find the percentage of workers getting wages between Rs.9
a manufacturer claims that 60% of beer drinkers perfer his beer. A query with 30 beer drinkers selected at random showed that 16 of them prefer this brand.(a.)Does the evidence sup
5,2,5,8,9,9,8,7,5,2
Objective: Determine process capability The sandwich shop†TM s goal I that every sandwich can be completed in less than 1.5 minutes using the following 20 data times: 1.5364 1.58
Fenn Museum, a nongovernmental not-for-profit organization, had the following balances in its statement of functional expenses: Education $300,000 Fundraising 250,000 Management an
1.The resumés of 2 males applicants for a college teaching position in chemistry are places in the same file as the resumés of 2 female applicants. Two positions become available a
Q. Example of Selection a Sample? Ans. Suppose a presidential election is approaching and many people are interested in knowing which candidate is most likely to win the v
i want you to make my buisiness statistics assignment
An HIV educator wishes to determine whether the method of delivering teaching influences adherence with antiretroviral therapy. She decides to measure adherence as viral load (a r
suggestions to improve accounting concepts
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