Answered step by step
Verified Expert Solution
Question
1 Approved Answer
The historical on-time percentage for Amtrak's Sunset Limited is 10 percent. In July, the train was on time 0 times in 33 runs. Hint: Use
The historical on-time percentage for Amtrak's Sunset Limited is 10 percent. In July, the train was on time 0 times in 33 runs.Hint:Use Excel to calculate the cumulative binomial probabilityP(X 0 |n= 33,
= 0.10). Assume = 0.1.
(a)Choose the correct null and alternative hypotheses and decision rule.
- H0:
- .10 versusH1:
- < .10. RejectH0ifP< 0.10
- H0:
- .10 versusH1:
- < .10. RejectH0ifP> 0.10
multiple choice 1
- a
- b
(b)Find the probability.(Round your answer to 4 decimal places.)
P(X 0)Blank
(c-1)Can we reject the null hypothesis?
Yes
(c-2)Has the on-time percentage fallen?
Yes
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started