. A new vaccination is being used in a laboratory experiment to investigate whether it is...

60.1K

Verified Solution

Question

Statistics

. A new vaccination is being used in a laboratory experiment toinvestigate whether it is effective. There are 252 subjects in thestudy. Is there sufficient evidence to determine if vaccination anddisease status are related?

Vaccination Status    Diseased      NotDiseased       Total

Vaccinated                     51)              54)                   105)

Not Vaccinated   54)              73)                   147)

Total             (125)    (127)    ( 252)

State the null and alternative hypothesis.

Find the value of the test statistic. Round your answer to threedecimal places.

Find the degrees of freedom associated with the test statisticfor this problem.

Find the critical value of the test at the 0.01 level ofsignificance. Round your answer to three decimal places.

Make the decision to reject or fail to reject the nullhypothesis at the 0.01 level of significance.

State the conclusion of the hypothesis test at the 0.01 level ofsignificance.

Answer & Explanation Solved by verified expert
4.5 Ratings (883 Votes)
Null hypothesis Ho vaccination and disease statusare not relatedAlternate hypothesis H1 vaccination and disease statusare relatedObserved Values 54 under Diseased Not vaccinated wronglyentered corrected to 74DiseasedNot    See Answer
Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:
  • Unlimited Question Access with detailed Answers
  • Zin AI - 3 Million Words
  • 10 Dall-E 3 Images
  • 20 Plot Generations
  • Conversation with Dialogue Memory
  • No Ads, Ever!
  • Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!
Become a Member

Other questions asked by students