Probability that the average sample mean is more

Assignment Help Basic Statistics
Reference no: EM13144963

An insurance company's records show that the mean payout for all automobile claims is $1800 and the standard deviation is $400. Suppose 90 claims are filed in one week. What is the probability that the average (sample mean) is more than $1900?

Reference no: EM13144963

Questions Cloud

What proportion of the offspring would be heterozygous : In a particular type of melon, orange fruit is dominant over green fruit and round shape is dominant to oval. If a plant that was heterozygous for both traits were crossed with a plant that was homozygous recessive for both traits, what proportion..
Problem related to acquistion method : Bailey, inc. buys 60% of the outstanding stock of luebs, inc. Luebs owns a piece at cost of $200000 but was worth $500000 at acquistion date. What value should be attributed to this land in consolidated balance sheet at the date of takeover, Using..
Direct materials for an auto manufacturer : Which of the following is FALSE in regards to direct materials for an auto manufacturer?
What molecule would accumulate in the affected cells : Draw a hypothetical metabolic pathway composed of five substrates, five enzymes, and a product called Biological Sciazine. Number the substrates 1-5, and label the enzymes A-E, in order. (For instance, enzyme A catalyzes the reaction between subst..
Probability that the average sample mean is more : the standard deviation is $400. Suppose 90 claims are filed in one week. What is the probability that the average (sample mean) is more than $1900?
What are the key components of a scientific theory : What are the key components of a scientific theory? Was the Theory of Special Creation a valid scientific theory in Darwin's time? Is it a scientific theory today?
Determination of the mass by gel filtration : A protein was purified to homogene-ity. Determination of the mass by gel- filtration chromatography yields 60 kd. Chromatography in the presence of 6 M urea yields a 30- kd species.
Permanent current assets basics : Permanent current assets are not a factor in a manager's decision making process when all current assets will be:
Mass of radium is over a million times more radioactive : A given mass of radium is over a million times more radioactive than the same mass of uranium

Reviews

Write a Review

Basic Statistics Questions & Answers

  Appropriate sampling design for the given study

Such things as historical documents, newspaper reports, TV and radio broadcasts, when used in research, represents

  Confidence interval for population mean of random sample

A random sample of 121 automobiles traveling on an interstate showed an average speed of 65 mph. From past information, it is known that the standard deviation of the population is 22 mph.

  What is the p-value of the test

Use a 0.01 level of significance to test for the evidence of improvement in the life expectancy of the batteries. Use the critical value criterion in your decision making. What is the p-value of the test? Draw your conclusion using the p-value crit..

  Calculating correlation coefficient for sample data

Calculate correlation coefficient for these sample data.

  Statistics-sigma control limits

In the data collected for construction of c chart, the average number of defects per unit of output is c = 7.5. Discuss the 3-sigma upper and lower control limits for the control chart?

  Find probability for familiar product by correct formula

Use the correct formula to find the probability that, out of 10 customers, exactly 5 are familiar with the product. Show your calculations or explain how you found the probability.

  Information about confidence interval estimate

When estimating a population mean with a confidence interval estimate, then E is:

  Computing probability-random variable

The amount of time ships spend at the Philadelphia dockyard follows an exponential distribution and the average time spent in the dockyard is 3.1 days.

  Determine the estimated probability

Upon reviewing the accounting records from the restaurant, you discover that it grosses roughly $3000 per day on 6 out of 10 days. Determine the estimated probability that the restaurant will gross over $3000:

  Multiple linear regression equation using mega stats

Use MegaStat's output for multiple regression to determine the multiple regression equation

  Describing probabilities and conditional probabilities

The availability of venture capital provided by big boost in funds available to companies recent years. According to Venture Economics, 2,000 venture capital disbursements were made in 1999.

  Temptation to imply or infer causality

Discuss something you have witnessed or observed in nature. Discuss the temptation to imply or infer causality and be sure to identify areas of future investigation that might be warranted to determine cause and effect.

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