Probability that interviews with 500 people would yield 320

Assignment Help Basic Statistics

Reference no: EM131404333

A public relations agency tells its client that 80% of the residents in a 50-mile radius believe the company is "an industry leader." Skeptical, the company commissions a survey in which just 320 of the 500 persons interviewed felt the company was an industry leader.

If the public relations agency's claim is correct, what is the probability that interviews with 500 people would yield 320 or fewer who felt the company was an industry leader?

Reference no: EM131404333

Questions Cloud

Probability that at least four of jurors will be charge : Mr. Marcy's nephew is going to trial for embezzlement, and nine jurors are to be randomly selected from the adult citizenry. What is the probability that at least four of the jurors will be charge-account holders?

What is the industrys herfindahl-hirschman index : Below is a list of firms and their market share of the mass media industry. What is the industry's Herfindahl-Hirschman Index?

Probability that at least 20 of these persons voted : For a randomly selected group of 30 Maine residents who were of voting age at that time, what is the probability that at least 20 of these persons voted in the presidential election?

What range of stock prices would the straddle lead to a loss : A call with a strike price of $60 costs $6. A put with the same strike price and expiration date costs $4. Construct a table that shows the profit from a straddle. For what range of stock prices would the straddle lead to a loss?

Probability that interviews with 500 people would yield 320 : If the public relations agency's claim is correct, what is the probability that interviews with 500 people would yield 320 or fewer who felt the company was an industry leader?

Explain how your plan creates an alliance for the community : Explain how your plan creates an alliance, collaboration, or partnership for the community, and describe how it will increase organizational capacity for various contributors

Chris domas: the 1s and 0s behind cyber warfare : ISOL 532: Your assignment is to pick one of the videos and write a response to it. It doesn't have to be long but should be about 2 - 4 paragraphs. It can be for, against or just a general, thoughtful response to the topic\video. You do not nee..

Create a student directory for chinese who belong to bsc : Create a Student directory for Chinese who belong to B.Sc Computer Science Course based on framework in jquery mobile, as knowledge base used to enhance search results with semantic information.

User Account

All Pages