Find the probability that the mean time for a sample

Assignment Help Basic Statistics
Reference no: EM132192976

The average time a person spends shopping on a computer in a week is 14 hours. If the time is normally distributed with a standard deviation of 4 hours, find the probability that the mean time for a sample of 20 shoppers will be between 12 and 15 hours.

Reference no: EM132192976

Questions Cloud

What type of error is possible in this situation : The company runs an experiment and the data do not provide enough evidence to conclude that the app is easy to use.
Display the integers from first to last : Write an application that stores 12 integers in an array. Display the integers from first to last, and then display the integers from last to first.
A simple psudocode that your grandmother can understand : The algorithm nds all the common integers (integers contained in both lists), prints them and also prints the number of common integers.
Design a program that will calculate the lab fee : Design a program that will calculate the lab fee based on the number of students who enroll.
Find the probability that the mean time for a sample : Find the probability that the mean time for a sample of 20 shoppers will be between 12 and 15 hours.
Are these defenses effective against klutz : In defense Thorbecke asserted breach of contract and fraud. Are these defenses effective against Klutz?
An ethernet frame consists of a fixed-length header : The older versions of Ethernet have remained compatible with newer versions due to the frame format which has remained constant.
What is the efficiency class of this algorithm : Write an algorithm in pseudocode to perform the multiplication of a matrix with a vector. b. What is the main operation of this algorithm?
Find the longest word in an english sentence : Write an algorithm (using pseudocode) to find the longest word in an English sentence, where a sentence is a sequence of words and spaces.

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