What should be the companys decision

Assignment Help Basic Statistics
Reference no: EM131372376

British Petroleum has recently been investing in oil fields in the former Soviet Union. Before deciding whether to buy an oilfield, the company wants to estimate the number of barrels of oil that the oilfield can supply.

For a given well, the company is interested in a purchase if it can determine that the well will produce, on average, at least 1,500 barrels a day.

A random sample of 30 days gives a sample mean of 1,482 and the population standard deviation is 430. Construct a 95% confidence interval. What should be the company's decision?

Reference no: EM131372376

Questions Cloud

Explain financial reporting : ACCT71-600ACCOUNTING PRINCIPLES- Identify what Accounting is & why it is important and explain Financial Reporting - common financial statements & what they report to users
Confidence interval for the average percentage of alcohol : The importer randomly samples 60 bottles of the new wine and obtains a sample mean x‾= 9.3%. Give a 90% confidence interval for the average percentage of alcohol in all bottles of the new wine.
Identify who you have chosen and how much will they receive : Identify who you have chosen and how much will they receive. Explain the criteria you used to select them and the amount. Describe the requirements you used in selecting the five applicants.
Are any assertion errors generated : Look through the source of Address Book Demo to check that you understand the tests, and then try out each of the test methods. Are any assertion errors generated? If so, do you understand why?
What should be the companys decision : A random sample of 30 days gives a sample mean of 1,482 and the population standard deviation is 430. Construct a 95% confidence interval. What should be the company's decision?
Should the airline offer to fly the route based : Recently, three new airlines, MAXjet, L'Avion, and Eos, began operations selling business or first-class-only service.- Construct a 90% confidence interval.- Should the airline offer to fly this route based on your answer to part (a)?
What sort of information is available on files : Read the API documentation for the File class from the java.io package. What sort of information is available on files?
Reach optimum level of staff efficiency and guest service : Dawn Henlee, manager of the Hotel California, is considering how to restructure the front desk to reach an optimum level of staff efficiency and guest service. At present, the hotel has six clerks on duty, each with a separate waiting line, Determine..
Who is the mother of beatrice : CS-205: Declarative Programming (Prolog) Assignment. Translate the following questions into Prolog queries and try them out: Who is the mother of Beatrice? Who has a child (one or more)? Who is a desencendant of the Queenmother

Reviews

Write a Review

Basic Statistics Questions & Answers

  Determining percentage of take-out pizzas

Assume that Leo advertises "If it takes more than 30 minutes to get your pizza, you get it free". What percentage of his take-out pizzas will have to give away free?

  Find probability distribution for number of defective chips

Whose characteristics can be assume to be independent of each other, were examined. Let X denotes the number of defective computer chips.

  Find the p-value for the hypothesis test

Assume that you plan to use a significance level of α = 0.05 to test the claim that p1 = p2. Use the given sample sizes and numbers of successes to find the P-value for the hypothesis test.

  How would you interpret result

1. Suppose you are given a particular set of data and found that r = 2.5. How would you interpret this result?

  Rejection of the null hypothesis

Which of the z-scores below is the smallest one that leads to rejection of the null hypothesis - Identify the population to which the results of the test apply.

  Create a scatterplot of calories against miles

Burning calories with exercise. Table 28.13 provides data on speed and calories burned per hour for a 175- pound male using two different treadmills (a Cybex and a LifeFitness) at inclines of 0%, 2%, and 4%

  1we are establishing a quality control program for a

1.we are establishing a quality control program for a process and need to establish the mean and standard deviation for

  P-values-hypothesis testing and two sample groups

In a sample of 210 men, 35 prefer sugar free soft drinks. In a sample of 220 women, 42 prefer sugar free soft drinks. Using a significance level of 0.05, test whether women prefer sugar free drinks more than men. Calculate the p-value.

  The weekly income of night cashiers at a major department

the weekly income of night cashiers at a major department store follows the normal probability distribution. the

  During a critical developmental period affect the behavior

Hooded rats: social play times. How does social isolation during a critical developmental period affect the behavior of hooded rats? Psychology students assigned 24 young female rats at random to either isolated or group housing, then similarly as..

  Supply electric motors for commercial refrigerators

locations: Jung (Sweden), Reynosa (Mexico), Pohang (South Korea) and East Tamaki (New Zealand). The electric motors are manufactured by Nanuq Europe which has three plants capable of producing these motors. These plants are located in Gaydon (UK),..

  Probability of estimating the mean

What sample size should be chosen so that there is 0.95 probability of estimating the mean monthly income in $150 or less?

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