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

  Question regarding two-tailed hypothesis

Assuming that the population variances are equal for male and female Grade Point Averages (GPAs), use the following sample data to test whether the averages are different at the 0.05 level of significance.

  Percentage of persons enrolled in college

In a certain city, there are 100,000 persons age 18 to 24. A simple random sample of 500 such persons is drawn, of whom 198 turn out to be currently enrolled in college.

  Constructing histogram using a normal probability

Constructing histogram, Using a normal probability plot, Plotting residuals versus x values.

  A regression and correlation analysis

Multiple choice questions based on regression - A regression and correlation analysis resulted in the following information

  Find out probability values from discrete distribution

A consumer organization estimates that over a 1-year period 17 percent of cars will require to be repaired once, 7 percent will need repairs twice, and 4 percent will require three or more repairs. What is the probability that a car chosen at rand..

  Running a chi-squared test

You are running a chi-squared test. If you have 5 groups with 3 characteristics each, what would your critical value be with an alpha of .25? a . Between 0 and 3.0

  Explaining alternatives-criteria and states of nature

Describe meaning of alternatives, criteria and states of nature. Explain how are they utilized in decision analysis?

  Professional basketball player

A professional basketball player ins averaging 21 points per game. he will be retiring at the end of this season. The team has multiple options to replace him.

  Calculate probability that selected egg-s weight more

Calculate the probability that a randomly selected egg weights between 62.5 g and 68.75 g. Think of cartons of such eggs as SRSs of size 12 from the population of all eggs.

  Collectively exhaustive event

If two events are collectively exhaustive, what is the probability that both occur at the same time?

  Regression-correlation-turbidity level and rainfall

In a water treatment plant, the turbidity level, and is suspected is linearly related to inches of accumulated rainfall in the month, x. The following information related to the waste water plant is available:

  Pareto chart on renewable energy

The following table describes the estimated green power sales by renewable energy in 2008: Develop a bar chart, pie chart, and Pareto Chart.

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