Discuss problem on prepackaged products

Assignment Help Basic Statistics
Reference no: EM131813500

Question: In a certain region prepackaged products labeled 500 g must contain on average at least 500 grams of the product, and at least 90% of all packages must weigh at least 490 grams. In a random sample of 300 packages, 288 weighed at least 490 grams.

a. Give a point estimate of the proportion of all packages that weigh at least 490 grams.

b. Verify that the sample is sufficiently large to use it to construct a confidence interval for that proportion.

c. Construct a 99.8% confidence interval for the proportion of all packages that weigh at least 490 grams.

Reference no: EM131813500

Questions Cloud

How much would the reduction in downtime have : How much would the reduction in downtime have to be worth in order for the project to be acceptable? Assume a discount rate of 9%
Calculate the value of the stock today : calculate the value of the stock today.
Identify the three replicating portfolios : Identify the three replicating portfolios (one at t=0 and two at t=0.25) and confirm that you can dynamically replicate the payoff of the option
Compute the cash payback period : Bella Company is considering purchasing new equipment for $450,000. Compute the cash payback period
Discuss problem on prepackaged products : In a certain region prepackaged products labeled 500 g must contain on average at least 500 grams of the product, and at least 90% of all packages.
Do you think police used excessive force on ho : How do you expect the police officers involved will explain their actions if brought to trial in either a criminal or civil proceeding?
Congress levies an additional tax on luxury items : If Congress levies an additional tax on luxury items, the prices of these items will rise.
What might be some reasons for the firm to change : What might be some reasons for the firm to change from a one-pool to a multiple-pool allocation concept
Financial security is expected to have constant cash flow : A financial security is expected to have a constant cash flow of $6500 per year for forty years

Reviews

Write a Review

Basic Statistics Questions & Answers

  What shape to expect for hazard function of light bulbs

If light bulbs failure times are identically and independently distributed, what shape would you expect for the hazard function of the light bulbs? Draw a picture and explain.

  Augustine and socrates both acknowledge

St. Augustine and Socrates both acknowledge that the perfect city cannot exist in this world. For each of them, what is it about the nature of human beings and of political life that makes this impossible?

  Find the variance of the heights of singers

Do we have good evidence that the variance of the heights of singers in each of these two groups (Tenor1 and Bass2) are different?

  What is the approximate margin of error for the survey

Based on the results of the survey, could it be concluded that a majority (over 50%) of all University of California faculty members favor using these criteria? Explain.

  Anova to test productivity levels

The results shown below are mean productivity measurements (average number of assemblies completed per hour) for a random sample of workers at each of three plants.

  Find the critical values if variable is normally distributed

A random sample of 24 patients found a standard deviation of 520. Assume the variable is normally distributed and = 0.01. What are the critical values?

  Probability that experiment proceeds for at least 4 rolls

Find the probability mass function for the random variable.- What is the probability that the experiment proceeds for at least 4 rolls?

  Two tandem rotors rotating in opposite directions

A large helicopter uses two tandem rotors rotating in opposite directions, as shown in Figure P7.33(a). The controller adjusts the tilt angle of the main rotor and thus the forward motion as shown in Figure DP7.2.The helicopter dynamics are repre..

  Suppose no prior information about the sample proportion of

fifty randomly selected ubc students were asked whether they prefer translinks new compass card bus pass over the

  Characterize the sample space describing the prisoners

a probability-minded despot offers a convicted murderer a final chance to gain his release. the prisoner is given

  What other information might take into account

A manufacturing firm has decided to capitalise on its existing success by building an extension to its production plant to come on stream by 2008.

  Random sampling from two normal populations produced the

question random sampling from two normal populations produced the following resultsx1

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