Inglast, a chocolate producer, is faced with a class action suit when customers found pieces of plastic in boxes of cocoa powder
. Inglast settles the case and then releases an advertising campaign to show the new and improved safety seals on all containers of cocoa powder. Which kind of advertisement has Inglast most likely used?
This type of avertising seeks to inform the customers about the product properties, with the purpose of giving it more credibility and raise the company reputation.
Some specific products, such as tobacco and alcohol, may be obliged to give information about the product (chemical compounds in cigarettes and alcohol percentage).
if the level of significance is increased, the interval for the population proportion will become narrower. using α = 0.05, a confidence interval for a population proportion is determine to be 0.15 to 0.35 if the level of interval is decreased