Author Question: A marketing class is engaged in a project to estimate the proportion of homes receiving both HBO and ... (Read 84 times)

notis

  • Hero Member
  • *****
  • Posts: 596
A marketing class is engaged in a project to estimate the proportion of homes receiving both HBO and ShowTime cable service. The class plans to use a confidence coefficient of 0.95 and a maximum error of the estimate equal to 0.10 . If 2500 homes in this city receive cable service, determine the sample size for the class to use.

Question 2

In an effort to determine the average loaded weight of trucks leaving a gypsum wallboard plant, a random sample is to be taken from the 600 trucks scheduled for this month. From past studies, the population standard deviation is known to be 2500 lbs. A 95-percent confidence interval is to be used and the average, , is to be estimated within 500 pounds. Determine the sample size needed.



voltaire123

  • Sr. Member
  • ****
  • Posts: 301
Answer to Question 1

93

Answer to Question 2

83



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

For a complete list of videos, visit our video library