Confidence interval for the true population mean

Assignment Help Basic Statistics
Reference no: EM131726094

Assuming we know σ = 5.4, construct a 92.5 percent confidence interval for the true population mean, µ, given that a random sample of 94 values was noted to have x¯ = 80.0.

Reference no: EM131726094

Questions Cloud

Alternative hypothesis in symbolic form : Express the null hypothesis and the alternative hypothesis in symbolic form. The owner of a football team claims that the average attendance
How does mcclellands theory of needs fit : What has Dr. Ranga lost in giving up his hospital job and medical practice and what has he gained instead - How does Maslow model of motivation explain
How many days in the previous week the student exercised : Suppose that we randomly select a student and record how many days in the previous week the student exercised for at least half an hour.
Alternative hypothesis in symbolic form : Express the null hypothesis and the alternative hypothesis in symbolic form. A skeptical paranormal researcher claims that the proportion of Americans
Confidence interval for the true population mean : Assuming we know s = 5.4, construct a 92.5 percent confidence interval for the true population mean
Vote for the incumbent president : According to a recent poll 53 percent of Americans would vote for the incumbent president. If a random sample of 100 people results in 45 percent who would vote
Write a brief email on the vacation policy changes : Confirm to which employees you sent the email.( sales, scheduling, accounting purchasing, purchasing andkitchen employees )
Compare gilgamesh and odysseus as to their heroic qualities : Compare Gilgamesh and Odysseus as to their heroic qualities, noting similarities and differences, using specific examples from the epics.
Distributed population and test the given claim : Assume that a simple random sample has been selected from a normally distributed population and test the given claim.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Consider the experiment of drawing two cards from a

consider the experiment of drawing two cards from a shuffled deck and then putting them back. what is the probability

  The intelligence quotient iq test scores are normally

the intelligence quotient iq test scores are normally distributed with a mean of 100 and a standard deviation of 15.

  Hypothesis that the average cutthroat trout length

The population standard deviation is unknown. If you assume that the population mean is 19, find the P-value corresponding to the hypothesis that the average cutthroat trout length is different from 19 (i.e. two-tail test).

  Assignment choice-the great migration

Write an essay on the great migration of the black population to the northern United States. What were the reasons for the great migration? What were some of the risks involved for the African Americans who undertook the move?

  Find probability that the store sells at least a gallon

Gallons and standard deviation 12 gallons. On a randomly selected day, the probability that the store sells at least 154 gallons is?

  Pre-cooked weight of a randomly selected hamburger

The pre-cooked weight of hamburgers at a restaurant has been found to be uniformly distributed between 4.1 and 4.9 ounces. Let X be a random variable for the pre-cooked weight of a randomly selected hamburger.

  What is the hypothesis test to be conducted

In 1997, a survey of 900 households showed that 151 of them use e-mail. Use those sample results to test the claim that more than 15% of households use e-mail. Use a 0.05 significance level. Use this information to answer the following questions?..

  Confidence interval for the difference of the two means

What is the margin of error for a 95% confidence interval for the difference of the two means (low capacity - high capacity)? (Answer to the nearest hundredth.)

  In the biomedical engineering field a study of coronary

in the biomedical engineering field a study of coronary artery disease had three possible partitioning events b1 the

  A statistics practitioner would like to estimate a

a statistics practitioner would like to estimate a population mean to within 50 units with 99 confidence given that the

  1a researcher is interested in comparing sat scores for

1.a researcher is interested in comparing sat scores for students enrolled in public schools private schools and those

  Ordered logit model

When there are multiple observations per subject, what issues are there with doing a MNL and an ordered logit model, answer in detail and provide example.

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