Calculating the confidence interval

Assignment Help Basic Statistics
Reference no: EM131822234

The mean age for all Foothill College students for a recent Fall term was 33.2. The population standard deviation has been pretty consistent at 15. Suppose that twenty-five Winter students were randomly selected. The mean age for the sample was 30.4. We are interested in the true mean age for Winter Foothill College students.(https://research.fhda.edu/factbook/FH_Demo_Trends/FoothillDemographicTrends.htm7

Let X = the age of a Winter Foothill College student

As a result of your answer to (4), state the exact distribution to use when calculating the Confidence Interval.

Reference no: EM131822234

Questions Cloud

Confidence interval for the true proportion : Construct a 92% Confidence Interval for the true proportion of girls in the age 8 - 12 beginning ice-skating classes at the Ice Chalet.
What nursing management should the nurse provide : John King, 60 years of age, is a male patient who is admitted with the diagnosis of multiple myeloma. What nursing management should nurse provide the patient
Determining the relative size of the cash dividend : Net Income and Retained Earnings Google Inc. is a well-known Internet company. The following data are from its financial statement for the year ended.
Discuss financial statement data for homer company : Selected financial statement data for Homer Company are presented below
Calculating the confidence interval : As a result of your answer to (4), state the exact distribution to use when calculating the Confidence Interval.
What are the treatment goals for the patient today : A patient, 65 years with a history of hypertension, What are the treatment goals for the patient today
Confidence interval for the true mean age : Construct a 95% Confidence Interval for the true mean age of Winter Foothill College students.
Discuss what would you accept as satisfactory documentary : What would you accept as satisfactory documentary evidence in support of entries in the following
Using the same mean-standard deviation : Using the same mean, standard deviation and level of confidence, suppose that n were 69 instead of 25. Would the error bound become larger or smaller?

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