SOLUTION: Write a correct null and alternative hypothesis for testing the claim that the mean life of a battery for a cell phone is at least 80 hours.
(Points: 4)
Algebra ->
Probability-and-statistics
-> SOLUTION: Write a correct null and alternative hypothesis for testing the claim that the mean life of a battery for a cell phone is at least 80 hours.
(Points: 4)
Log On
Question 232004: Write a correct null and alternative hypothesis for testing the claim that the mean life of a battery for a cell phone is at least 80 hours.
You can put this solution on YOUR website! Write a correct null and alternative hypothesis for testing the claim that the mean life of a battery for a cell phone is at least 80 hours.
----------------
Rule: Equality Always appears in Ho.
----------------
Ho: u >= 80
Ha: u < 80
================
Cheers,
Stan H.
(