My library > MAT 240: Applied Statistics home >EzyBooks catalog2: Hypothesis test for the difference between two population proportionsJump to level 1A pharmaceutical company is trying to determine if a new drug is more effective than the current standard drug.The company tracks random samples of patients on each drug and calculates the proportion that see animprovement in symptoms after six months. The results of the data collected are shown below.What are the population parameters?PickOld drugSuccesses419 Successes261What is the level of significance? Ex: 0.12Observations500 Observations300p-hat_10.838 p-hat_20.870What is the null hypothesis Ho?PickConfidence Level99%Z-scoreWhat is the alternative hypothesis Ha? Pick1.227p-value0.1094Should Ho be rejected or does Ho fail to be rejected? PickWhat conclusion can be drawn from the data?Pickevidence exists to support the claim that more patients on the new drug see improvements insymptoms than patients on the current drug.2NextWDI7CheckNew drugBILL)))? HelpMAINE11

Given that: Old drug New drug Successes 419 Successes 261 Observations 500 Observations 300…

A pharmaceutical company is trying to determine if a new drug is more effective than the current standard drug. The company tracks random samples of patients on each drug and calculates the proportion that see an improvement in symptoms after six months. The results of the data collected are shown below. What are the population parameters? Pick Old drug 419 Successes 261 Successes Observations What is the level of significance? Ex: 0.12 500 Observations 300 p-hat_1 0.838 p-hat_2 0.870 What is the null hypothesis Ho? Pick Confidence Level 99% V What is the alternative hypothesis Ha? Pick Z-score 1.227 p-value 0.1094 Should Ho be rejected or does Ho fail to be rejected? Pick What conclusion can be drawn from the data? Pick evidence exists to support the claim that more patients on the new drug see improvements in symptoms than patients on the current drug. New drug

A pharmaceutical company is trying to determine if a new drug is more effective than the current standard drug. The company tracks random samples of patients on each drug and calculates the proportion that see an improvement in symptoms after six months. The results of the data collected are shown below. What are the population parameters? Pick Old drug 419 Successes 261 Successes Observations What is the level of significance? Ex: 0.12 500 Observations 300 p-hat_1 0.838 p-hat_2 0.870 What is the null hypothesis Ho? Pick Confidence Level 99% V What is the alternative hypothesis Ha? Pick Z-score 1.227 p-value 0.1094 Should Ho be rejected or does Ho fail to be rejected? Pick What conclusion can be drawn from the data? Pick evidence exists to support the claim that more patients on the new drug see improvements in symptoms than patients on the current drug. New drug

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section11.4: Collecting Data

Problem 3E

See similar textbooks