Significance level that the mean gpa of students

Assignment Help Basic Statistics
Reference no: EM132188524

In a survey of 385 students, mean GPA was 3.15 with a standard deviation of .20. Test the claim at a .05 significance level that the mean GPA of students is equal to 3.

Reference no: EM132188524

Questions Cloud

Upper confidence limit with 2 decimal places : With 80% confidence, for sample proportion 0.56 and sample size 24, what is the upper confidence limit with 2 decimal places?
Proportion of all possible confidence intervals : For a confidence interval for a population parameter (e.g. the population mean) computed at 95% confidence level what proportion of all possible confidence
What is balance of the allowance for uncollectible accounts : Gregory Company had the following information in 2012. What is the balance of the Allowance for Uncollectible Accounts on 12/31/12
Standard normal distribution curve : Find the z value so that 69.85 percent o the area under the standard normal distribution curve lies to the left of it.
Significance level that the mean gpa of students : Test the claim at a .05 significance level that the mean GPA of students is equal to 3.
Record the preceding transactions in the general journal : July 1 Received $22,500 cash in advance for services to be provided over the next year. Record the preceding transactions in the general journal
Determine the null and alternative hypotheses : a. Is the coffee? industry's claim supported by this? sample? Determine the null and alternative hypotheses.
How likely is it that the first investment : a. How likely is it that the first investment will return ?$1 ,700, 000 or less?
Adults have very little confidence in newspapers : Find the probability that the number of U.S. adults who have very little confidence in newspapers is ? (a) exactly? five, (b) at least? six, and? (c) less than

Reviews

Write a Review

Basic Statistics Questions & Answers

  Statistics-probability assignment

MATH1550H: Assignment:  Question:  A word is selected at random from the following poem of Persian poet and mathematician Omar Khayyam (1048-1131), translated by English poet Edward Fitzgerald (1808-1883). Find the expected value of the length of th..

  What is the least number

MATH1550H: Assignment:  Question:     what is the least number of applicants that should be interviewed so as to have at least 50% chance of finding one such secretary?

  Determine the value of k

MATH1550H: Assignment:  Question:     Experience shows that X, the number of customers entering a post office during any period of time t, is a random variable the probability mass function of which is of the form

  What is the probability

MATH1550H: Assignment:Questions: (Genetics) What is the probability that at most two of the offspring are aa?

  Binomial distributions

MATH1550H: Assignment:  Questions:  Let’s assume the department of Mathematics of Trent University has 11 faculty members. For i = 0; 1; 2; 3; find pi, the probability that i of them were born on Canada Day using the binomial distributions.

  Caselet on mcdonald’s vs. burger king - waiting time

Caselet on McDonald’s vs. Burger King - Waiting time

  Generate descriptive statistics

Generate descriptive statistics. Create a stem-and-leaf plot of the data and box plot of the data.

  Sampling variability and standard error

Problems on Sampling Variability and Standard Error and Confidence Intervals

  Estimate the population mean

Estimate the population mean

  Conduct a marketing experiment

Conduct a marketing experiment in which students are to taste one of two different brands of soft drink

  Find out the probability

Find out the probability

  Linear programming models

LINEAR PROGRAMMING MODELS

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