User Account

All Pages

Calculate the standard normal distribution value

Assignment Help Basic Statistics
Reference no: EM13851856

From extensive records, it is known that the duration of treating a disease by a standard therapy has a mean of 15 days with a standard deviation of 3 days. It is claimed that a new therapy can reduce the treatment time. To test this claim, the new therapy is tried on 70

patients, and their average treatment time is calculated to be 14.6 days.

Calculate the standard normal distribution value for the 97% confidence level [3]

Test the claim supported at a 97% confidence level [9]

Indicate the P-value for this test in (c). [4]

We want to estimate the population mean within 5, with a 99% level of confidence. The population standard deviation is estimated to be

2. How large a sample is required?

Reference no: EM13851856

Questions Cloud

Prepare briefing papers - read solow vs wellner : Prepare four Briefing Papers - Read Solow v. Wellner - Cheeseman text page 526. Brief the facts of the case and assume your boss is seeking your opinions on the 80% reduction in rent. Provide convincing arguments for both sides of your recommendat..
An inventory management system in the food industry : An Inventory Management System in the food industry.
Identify a scientific or real-world problem with a relevant : Identify a scientific or real-world problem with a relevant data set
What is the sunk cost of this purchase : You have just purchased a house for $400,000, paid $24,000 for legal fees and $17,000 for renovations. The market price of the house does not change. If the sales tax on a house were 3% (to be paid by you if you sell the house), what is the sunk cost..
Calculate the standard normal distribution value : Calculate the standard normal distribution value
What is the opportunity cost of an extra : What is the opportunity cost of an extra 10h shift at work, if your alternatives are to spend a maximum of 4h with friends at a bar (valued at 30$/h), doing problem sets for a maximum of 2h (valued at 10$/h), and suing for any amount of time (valued ..
Compare innate immunity with specific immunity : 1) Compare Innate Immunity with Specific Immunity (Explain three major differences between them). 2) Briefly explain Innate immunity (explain different level of first and second lines of defense)
Give up three apples in exchange for one banana : Suppose Jimmy says that he is willing to give up three apples in exchange for one banana, or give up one banana in exchange for three apples. Either trade is alright with him. Suppose that apples cost $2 and bananas cost $1. What trade, if any, would..
What jobs had she held in the past : What should go in the section "Sources": in this section write about the author, A. Fadiman; where did she go to school, college? What was her major? What jobs had she held in the past? How did she get this particular assignment

Reviews

Write a Review

Basic Statistics Questions & Answers

  Let x represent the absolute value of the difference

let x represent the absolute value of the difference between the number of heads and the number of tails when a coin is

  Survey of the attitude of psychology

Suppose you want to conduct a survey of the attitude of psychology graduate students studying clinical psychology toward psychoanalytic methods of psychotherapy.

  P-value of the test

The p-value of the test is closest to:

  Tie in marginal discrepancy

Assume the first patient is assigned treatment A, and whenever there is a tie in marginal discrepancy, the next patient is assigned treatment A. Use w0 = 2 and w1 = 1. Show all you work.

  Formulate and solve an integer programming model

The booster club has gotten several businesses and car dealers to donate gasoline and cars for the college students to use to make a maximum of 575 personal contacts daily during the fund-raising drive. The college student will donate a total of 2..

  A company is testing a machine that produces balls a

a company is testing a machine that produces balls. a sample of 27 balls has for the diameters a sample mean of 3.5025

  An official from the downtown development authority claims

an official from the downtown development authority claims that the percentage of local businesses that have had some

  Probabilities for failing test

A metropolitan school system consists of three school districts-norths, south, central. The north district contains 25% of all students, the south district contains 40%, and the central district contains 35%.

  Confidence interval for mean number of apples for all trees

The standard deviation of the population is 200. Which of the following is the 90% confidence interval for the mean number of apples for all trees?

  The thickness of wafers in semiconductor manufacturing has

the thickness of wafers in semiconductor manufacturing has a mean of 10 micrometers and standard deviation of 0.8

  Write the null and alternative hypotheses

Write the null and alternative hypotheses and calculate the test statistic, determine the critical value whether or not there has been an improvement.

  Indentify the null and alternative hypothesis

What is the type of test of significance? 2. Indentify the null and alternative hypothesis. 3. which hypothesis is the claim? 4.What's the test statistic?

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd