A power of 90 and a two-sided test of size 005 are desired

Assignment Help Basic Statistics
Reference no: EM13609078

You want to compare response rates (percents) of two regimens. A power of 90% and a two-sided test of size 0.05 are desired. How many patients are needed to detect a difference between true response rates of p1=30% and p2=50%? Let the proportion in group 1 be q1 = 0.4. Use the appropriate formula and show your work

Reference no: EM13609078

Questions Cloud

A company xyz is considering manufacturing contact lenses : a company xyz is considering manufacturing contact lenses in space. the project life time is 10 years and has the
The null and alternative hypothesis are given determine : the null and alternative hypothesis are given. determine whether the hypothesis test is left-tailed right-tailed or
Ldg corporation makes and sells a product called product wz : ldg corporation makes and sells a product called product wz. each unit of product wz requires 2.0 hours of direct labor
For the process where q 625 kjkg and wkcs 60 kjkg determine : for the process where q 62.5 kjkg and wkcs 60 kjkg determine the energy change if the system mass is 2 kg 2. into a
A power of 90 and a two-sided test of size 005 are desired : you want to compare response rates percents of two regimens. a power of 90 and a two-sided test of size 0.05 are
Adcock corp had 500000 net income in 2007 on january 1 2007 : adcock corp. had 500000 net income in 2007. on january 1 2007 there were 200000 shares of common stock outstanding. on
The maximum height h of the loop is the same as the initial : block a is released from rest and slides down the frictionless ramp to the loop. the maximum height h of the loop is
1 a normally distributed population has a mean : 1. a normally distributed population has a mean micro32 and a standard deviation ?7. for a set of samples of size
To the nearest 01 what is the safety factor if the bracket : a cantilevered beam bracket of uniform cross section extends 12 inches from the wall and supports 100 pounds of load at

Reviews

Write a Review

Basic Statistics Questions & Answers

  How will you separate the effect of advertising on sales

How will you separate the effect of advertising on sales?

  What is the confidence interval at confidence level

Samples of size 49 are taken from a population with a σ of 17. If the mean of the sample is 25, what is the confidence interval at the 90% confidence level

  Ten weeks of data on the commodity futures index are 735

ten weeks of data on the commodity futures index are 7.35 7.40 7.55 7.56 7.60 7.52 7.52 7.70 7.62 and 7.55.a construct

  How to fulfill two orders using transportation costs

Your company has two warehouses in Detroit and Dallas. Detroit has 150 units ready to ship, Dallas 180 units. You have to fulfill two orders, one for 120 units to New York, and one for 190 units for Las Vegas.

  Murders are committed by women

Experts claim that 10% of murders are committed by women. is there enough evidence to reject the claim if in a sample of 67 murders, 10 of them were committed by women? use a significance level of .01

  Characteristics of central limit theorem

Why do so many of life's events share the same characteristics with Central Limit Theorem? Why are estimations and confidence intervals important?

  Find probability that mean salary of teachers is greater

Mathml equation = $32,000 and mathml equation = $3000. If 100 teachers are randomly selected, find the probability that their mean salary is greater than $32,500.

  Evaluate the p-value

What is the p-value? Use a .05 level ofsignificance. What is your conclusion?

  Verbal portion of the sat test

Scores for men on the verbal portion of the SAT test are normally distributed with a mean 509 and a standard deviation of 112. Randomly selected men are given the Columbia

  What percentage of time does the amount of rainfall

A month is classified as "extremely wet" if the amount of rainfall is in the upper 10% for that month. How much precipitation must fall before a month of April is classified as "extremely wet".

  Probability values in case of raw data-binomial-normal

To find the probability values in case of raw data, binomial, normal

  Find chance that fewer deer have tick

A biologist estimates that 40% of deer in the region carry a certain type of tick. For a sample of 300 deer selectetd at random, what is the chance that 124 or fewer deer have this tick?

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