A survey of 77 commercial airline flights of under 2 hours resulted in a sample average late
Question:
A survey of 77 commercial airline flights of under 2 hours resulted in a sample average late time for a flight of 2.48 minutes. The population standard deviation was 12 minutes. Construct a 95% confidence interval for the average time that a commercial flight of under 2 hours is late. What is the point estimate? What does the interval tell about whether the average flight is late?
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 100% (2 reviews)
n 77 248 12 95 Confidence z 025 196 248 268 020 516 The point estimate is ...View the full answer
Answered By
Somshukla Chakraborty
I have a teaching experience of more than 4 years by now in diverse subjects like History,Geography,Political Science,Sociology,Business Enterprise,Economics,Environmental Management etc.I teach students from classes 9-12 and undergraduate students.I boards I handle are IB,IGCSE, state boards,ICSE, CBSE.I am passionate about teaching.Full satisfaction of the students is my main goal.
I have completed my graduation and master's in history from Jadavpur University Kolkata,India in 2012 and I have completed my B.Ed from the same University in 2013. I have taught in a reputed school of Kolkata (subjects-History,Geography,Civics,Political Science) from 2014-2016.I worked as a guest lecturer of history in a college of Kolkata for 2 years teaching students of 1st ,2nd and 3rd year. I taught Ancient and Modern Indian history there.I have taught in another school in Mohali,Punjab teaching students from classes 9-12.Presently I am working as an online tutor with concept tutors,Bangalore,India(Carve Niche Pvt.Ltd.) for the last 1year and also have been appointed as an online history tutor by Course Hero(California,U.S) and Vidyalai.com(Chennai,India).
4.00+
2+ Reviews
10+ Question Solved
Related Book For
Business Statistics for Contemporary Decision Making
ISBN: 978-0470910184
6th Edition
Authors: Ken Black
Question Posted:
Students also viewed these Statistics questions
-
The population mean is $65 and the population standard deviation is $30. Find the probability that the average of 35 randomly selected transactions is between $55 and $60. You may assume that the...
-
Repeat Exercise 12 assuming that the population standard deviation s is known to be 1.065 lb. Conduct the hypothesis test using a known value of the population standard deviation .
-
Define what is meant by the population standard deviation and explain its importance in variables sampling. What is the relationship between the population standard deviation and the required sample...
-
Given the observed yields below, what is the 1-year forward rate, 4 years from now? [Hint: This is the 1-year return that will take you from the 4-year average annualized return (yield) to the 5-year...
-
a. Find the general traffic pattern of the freeway network shown in the figure. (Flow rates are in cars/minute.) b. Describe the general traffic pattern when the road whose flow is x5 is closed. c....
-
Evaluating the LIFO and FIFO Choice When Costs Are Rising and Falling (P7-5) Income is to be evaluated under four different situations as follows: a. Prices are rising: (1) Situation A: FIFO is used....
-
A set of nonredundant (1oo1) safety equipment, with all component devices certified as having systematic capability SC 3, is used in a low-demand application. The longest DTI of the equipment set is...
-
Callahan (2009) conducted a study to evaluate the effectiveness of physical exercise programs for individuals with chronic arthritis. Participants with doctor-diagnosed arthritis either received a...
-
Imagine that you are tasked with providing a comparison of government and private sector health care models for senior executives at a health care organization. create a table that compares the...
-
A 3-year project is under consideration. Here's what's known about its cash flows: $3,000,000 would need to be spent immediately to buy production equipment The production equipment will be...
-
According to a survey by Runzheimer International, the average cost of a fast-food meal (quarter-pound cheese-burger, large fries, medium soft drink, excluding taxes) in Seattle is $4,82. Suppose...
-
A regional survey of 560 companies asked the vice president of operations how satisfied he or she was with the software support received from the computer staff of the company. Suppose 33% of the 560...
-
Complete each statement. If solving a system leads to a false statement such as 0 = 3, the solution set is ____________.
-
Can you tell me what to change to win this Business Strategy Game E Company (practice) DECISION ENTRIES-YEAR 11 Compensation & Training Branded Production Production Facilities Distribution &...
-
Deliberate Speed Corporation (DSC) was incorporated as a private company. The company's accounts included the following at June 30: Accounts Payable Buildings Cash Common Stock Equipment Land Notes...
-
Let f(x,y) = (a) (b) (c) x+y2 Show that f(x, y) goes to zero if (x, y) goes to (0,0) along any line with equation y = ax, where a ER is a constant. Show that f(x, y) goes to if (x, y) goes to (0,0)...
-
For each of the following situations, give an example of a graph H that satisfies all of the properties. Show that you example is correct. 1. H has 6 vertices, 7 edges and G3 is an induced subgraph...
-
What ethical considerations and socio-economic implications arise from balancing human development and resource utilization with the conservation and sustainable management of biomes, particularly in...
-
A model of an airplane wing is tested in a wind tunnel. The model wing has an 18-in. chord, and the prototype has a 4-ft chord moving at 250 mph. Assuming the air in the wind tunnel is at atmospheric...
-
Define a traverse in Surveying?
-
How does the supply curve move vertically when supply increases or goes up? What do up and down refer to in demand and supply diagrams?
-
According to the U.S. Census Bureau, the average travel time to work in Philadelphia is 27.4 minutes. Suppose a business researcher wants to estimate the average travel time to work in Cleveland...
-
Suppose a random sample of turkey prices is taken from across the nation in an effort to estimate the average turkey price per pound in the United States. Shown here is the Minitab output for such a...
-
Suppose the following data are selected randomly from a population of normally distributed values. Construct a 95% confidence interval to estimate the populationmean. 40 51 43 48445754 39 42 4845 39...
-
Create a class named Account that contains: A private int data field named id for the account (default 0). A private double data field named balance for the account (default 0). A private double data...
-
The next Java code needs to be converted from static to dynamic (just addd changes in same code): import java.util.Scanner; class MyIntStaticCircularQueue { int capacity = 2; int queue[] = new...
-
Hi! Would a tutor be able to assist me on this? In a complete graph with 48 vertices, how many vertices will be in each node's adjacency list? How many entries will be in the adjacency matrix for...
Study smarter with the SolutionInn App