Physicians at a clinic gave what they thought were drugs to

Reference no: EM13623691

Physicians at a clinic gave what they thought were drugs to 940 patients. although the doctors later learned that the drugs were really placebos, 52% of the patients reported an improved condition. Assume that if the placebo is ineffective, the probability of a patients condition improving is 0.49. test the hypotheses that the proportion of patients improving is > 0,49.

a) find the test statistic

b) find the P value

Reference no: EM13623691

Questions Cloud

The average weight of adult male bison in a particular : the average weight of adult male bison in a particular federal wildlife preserve is 1550 pounds with a standard

A sample of 250 observations is selected from a normal : a sample of 250 observations is selected from a normal population for which the population standard deviation is known

The owner of brittens egg farm wants to estimate the mean : the owner of brittens egg farm wants to estimate the mean number of eggs laid per chicken. a sample of 19 chickens

A survey is being planned to determine the mean amount of : a survey is being planned to determine the mean amount of time corporation executives watch television. a pilot survey

Physicians at a clinic gave what they thought were drugs to : physicians at a clinic gave what they thought were drugs to 940 patients. although the doctors later learned that the

Find the p value for the given test : find the p value for the given test statisticsa test stat is 1.64996194955793 for a two tailed testb test stat is

The average act score in minnesota in 1986 was 194 assuming : the average act score in minnesota in 1986 was 19.4. assuming a standard deviation of 2.0 find approximate the

Suppose you have a coin that lands on heads with : suppose you have a coin that lands on heads with probability p 0 lt p lt 1. you dont know the value of p however. so

A partially filled closed tank contains ethyl alcohol at : a partially filled closed tank contains ethyl alcohol at 68 degrees f. if the air above the alcohol is evacuated what

Reviews

Write a Review

Required(*) Message

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

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

Linear programming models

LINEAR PROGRAMMING MODELS

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

User Account

All Pages