A consumer interest group buys a brand-name kitchen appliance. During its first month of use, the appliance breaks. The manufacturer claims that 99% of its appliances work for a year without a problem.
(a) State the appropriate null hypothesis that will facilitate a hypothesis test to analyze this claim.
(b) Do the data supply enough information to reject the null hypothesis? If so, at what-level?
Already registered? Login
Not Account? Sign up
Enter your email address to reset your password
Back to Login? Click here