A certain drug can be used to reduce the acid produced by the body and heal damage to the esophagus due to acid reflux. The manufacturer of the drug claims that more than 95% of patients taking the drug are healed within 8 weeks. In clinical trials, 228 of 235 patientssuffering from acid reflux disease were healed after 8 weeks. Test the manufacturer's claim at the α = 0.05 level of significance.Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2).Because npo (1-Po) = 11.2 > 10, the sample size is less than 5% of the population size, and the sample(Round to one decimal place as needed.)What are the null and alternative hypotheses?Ho: PF 95 versus H₁- P(Type integers or decimals. Do not round.)Determine the test statistic, ZoZo= (Round to two decimal places as needed.)95can be reasonably assumed to be random, the requirements for testing the hypothesis are satisfied.

Given:Sample size, n=235Number of successes, x=228Level of significance, p̂ = 228/235 = 0.9702

Answered: A certain drug can be used to reduce…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

About what percentage of a normal distribution falls within 2.5 standard deviations of the mean?
On a standard normal distribution, what percentage of scores lie within 1.49 standard deviations on both sides of the mean?
Sleep apnea is a disorder in which you have one or more pauses in breathing or shallow breaths while you sleep. In a cross-sectional study of 310 adults who suffer from sleep apnea, it was found that 155 had gum disease. Note: In the general population, about 17.5% of individuals have gum disease. Complete parts (a) through (c) below. Click here to view the standard normal distribution table (page 1). LOADING... Click here to view the standard normal distribution table (page 2). LOADING... Click here to view the table of critical t-values. LOADING... (a) What does it mean for this study to be cross-sectional? A. The data were obtained at a specific point in time and the study was an experiment. B. The data were obtained over the course of time and the study was an observational study. C. The data were obtained over the course of time and the study was an experiment. D. The data were obtained at a specific point in time and the study was an…
What is the formula for the standard error of the normal approximation to the p distribution. P=
On a standard normal distribution what percentage of scores lie within 0.75 standard deviations on both sides of the mean.
Oil field studies have shown that permeability measurements are having a normal distribution with a mean of 68 uD and a standard deviation of 10 µD. Determine the permeability that is exceeded by 90% of the samples.
According to a study conducted by an organization, the proportion of Americans who were afraid to fly in 2006 was 0.10. A random sample of 1,100 Americans results in 121 indicating that they are afraid to fly. Explain why this is not necessarily evidence that the proportion of Americans who are afraid to fly has increased. Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). O B. This is not necessarily evidence that the proportion of Americans who are afraid to fly has increased above 0.10 because the probability of obtaining a value equal to or more extreme than the sample proportion is which is not unusual. (Round to four decimal places as needed.)
A certain drug can be used to reduce the acid produced by the body and heal damage to the esophagus due to acid reflux. The manufacturer of the drug claims that more than 93% of patients taking the drug are healed within 8 weeks. In clinical trials, 218 of 232 patients suffering from acid reflux disease were healed after 8 weeks. Test the manufacturer's claim at the a=0.1 level of significance. Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). Because npo (1-Po) ▼satisfied. (Round to one decimal place as needed.) What are the null and alternative hypotheses? = 10, the sample size is Ho versus H₁ V ▼ (Type integers or decimals. Do not round.) Determine the test statistic, Zo Choose the correct conclusion below. C Zo - (Round to two decimal places as needed.) Determine the critical value(s). Select the correct choice below and fill in the answer box to complete your choice. (Round to two decimal places…
A survey of 2305 adults in a certain large country aged 18 and older conducted by a reputable polling organization found that 411 have donated blood in the past two years. Complete parts (a) through (c) below. Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). A Question Help (a) Obtain a point estimate for the population proportion of adults in the country aged 18 and older who have donated blood in the past two years. p= 0.178 (Round to three decimal places as needed.) (b) Verify that the requirements for constructing a confidence interval about p are satisfied. The sample a simple random sample, the value of is which is 10, and the less than or equal to 5% of the (Round to three decimal places as needed.) Enter your answer in the answer box and then click Check Answer. 1 part remaining Clear All Check Answer PAES MAY W 4 F12 F11 F9 F10 F8 F7 F6 吕口 F3 F5 F4 F2 & * $ % 7 8. 2 3 4 T Y U E R Q G H iİŞ
Find the z-scores that separate the middle 48%of the distribution from the area in the tails of the standard normal distribution. The z-scores are?
According to a study conducted by an organization, the proportion of Americans who were afraid to fly in 2006 was 0.10. A raadom sample of 1,300 Americans results in 143 indicating that they are afraid to fly. Explain why this is not necessarily evidence that the proportion of Americans who are afraid to fly has increased. Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). Select the correct choice below and, if necessary, fill in the answer box to coreplete your choice. O A. This is not necessarily evidence that the proportion of Americans wbn are afraid to fly has incrensed above 0.10 because the value of np(1-p) is less than 10. O B. This is not necessarily evidence that the proportion of Americans who are afraid to fly hassnrGAsed above 0.10 because the saaple proopation, (Type an integer or a decimal.) is very close to 0.10. C. This is not necessarily evidence that the proportion of ArmTicans who…
On a standard normal distribution, what percentage of scores lie within 2.25 standard deviations on both sides of the mean ?

SEE MORE QUESTIONS

Recommended textbooks for you

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc

Probability and Statistics for Engineering and th…

Statistics

ISBN:

9781305251809

Author:

Jay L. Devore

Publisher:

Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…

Statistics

ISBN:

9781305504912

Author:

Frederick J Gravetter, Larry B. Wallnau

Publisher:

Cengage Learning

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc

Probability and Statistics for Engineering and th…

Statistics

ISBN:

9781305251809

Author:

Jay L. Devore

Publisher:

Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…

Statistics

ISBN:

9781305504912

Author:

Frederick J Gravetter, Larry B. Wallnau

Publisher:

Cengage Learning

Elementary Statistics: Picturing the World (7th E…

Statistics

ISBN:

9780134683416

Author:

Ron Larson, Betsy Farber

Publisher:

PEARSON

The Basic Practice of Statistics

Statistics

ISBN:

9781319042578

Author:

David S. Moore, William I. Notz, Michael A. Fligner

Publisher:

W. H. Freeman

Introduction to the Practice of Statistics

Statistics

ISBN:

9781319013387

Author:

David S. Moore, George P. McCabe, Bruce A. Craig

Publisher:

W. H. Freeman

SEE MORE TEXTBOOKS