Find probability five questionnaires will be returned

Assignment Help Basic Statistics
Reference no: EM13110026

Assume the marketing research firm sends questionnaires to 10 different companies. Suppose that each company, independently of others, returns its completed questionnaire with probability 0.40, determine the probability that 5 or less questionnaires will be returned? Compute also probability that 7 or more questionnaires will be returned.

Reference no: EM13110026

Questions Cloud

Computing hypothesis testing-confidence interval : NBC TV news, in a segment on the price of gasoline, reported last evening that the mean price nationwide is $1.50 per gallon for self-serve regular unleaded.
What is likely to happen to transcription of the zippy gene : If, in addition to the N-terminal fragment of Groovy, a cell also makes an equal amount of the full-length protein, what is likely to happen to transcription of the Zippy gene (increase, decrease or stay the same)?
Discuss business level strategies : Analyze the five business-level strategies discussed in Chapter 4 to determine which strategy the company you researched most likely applies.
Devise a complete but efficient : A sample has between 3.3 x 10^-4 and 3.3 x 10^-8 CFU/mL. Devise a complete but efficient (that is, no extra plates!) dilution scheme that will ensure getting a countable plate.
Find probability five questionnaires will be returned : Determine the probability that 5 or less questionnaires will be returned? Compute also probability that 7 or more questionnaires will be returned.
Description of null and alternative hypotheses : Many law enforcement agencies use voice-stress analysis to help determine whether persons under interrogation are lying. If the sound frequency of a person's voice changes when asked a question
Discuss the roles of nature : Provide reasons for believing in the accuracy or inaccuracy of sensory information and discuss the roles of "nature" and "nurture" with regard to the interpretation and evaluation of sensory data.
Null and alternative hypotheses - car thefts : A state representative is reported as saying that about 10% of reported auto thefts involve owners whose cars have not really been stolen, but who are trying to defraud their insurance company.
Put out a bin of tomatoes having beautiful red color : Jimmie's Produce put out a bin of tomatoes having beautiful red color and looking "just right" in terms of ripeness. A sign above the bin identified them as genetically engineered produce. Most shoppers selected unmodified tomatoes in the neighbor..

Reviews

Write a Review

Basic Statistics Questions & Answers

  F test for comparison of variance

For the samples summarized below, test the hypothesis at =0.05 that the two variancees are equal.

  Sample-size for population mean

How many boxes must the processor sample to be 95 percent confident that the sample mean does not differ from the population mean by more than 0.2 pounds?

  Find fraction of potential customers enter system

Find would be answer to part(a) if there were only single server which can serve customers twice as fast (i.e, with service rate four customers per hour)?

  Adopting a bonus system to increases production

Management of a company is considering adopting a bonus system to increases production. One suggestion is to pay a bonus on the highest 5 percent of production based on past experience.

  Number assemblers and production

Draw a scatter diagram. Based on the scatter diagram, does there appear to be any relationship between the number assemblers and production? Explain.

  Assume that 60 percent of the voters in a particular region

Assume that 60 percent of the voters in a particular region support a candidate. Find the probability that a sample of 1,000 voters will yield a sample proportion in favor of the candidate within 4 percentage points of the actual proportion.

  The portfolio weight of stock

You own a $46,000 portfolio comprised of four stocks. The values of stocks A, B, and C are $5,600, $16,700, and $11,400, respectively. What is the portfolio weight of stock D?

  Determining percentage of employees has de­pendents

Determine percentage of employees has 5 de­pendents? Of all employees which have at least one de­pendent, determine percentage has more than one?

  Standard error of the proportions

If random samples of size of 75 is selected, the standard error of the proportions of student in the sample, who are minority students is

  Based on empirical data determine probabilities

Based on the empirical data determine the following probabilities:

  Explanation to expected return

Assume the risk-free interest is 5%. If WT borrows $100 million today at this rate and uses the proceeds to pay an immediate cash dividend, what will be the market value of its equity just after the dividend is paid, according to MM?

  Statistical testing - t tests and proportions

Do men and women have different beliefs on the ideal number of children in a family? Based on the following GSS2008 Data and the obtained t statistics, what would you conclude?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd