Math Solutions

[Solution] Which of the following would be the correct hypotheses for testing the claim that the mean life of a battery for a cellular phone (while the

Question: Which of the following would be the correct hypotheses for testing the claim that the mean life of a battery for a cellular phone (while the phone is left on) is less than 24 hours?

  1. H 0 : 24 and H a : < 24
  2. H 0 : = 24 and H a : 24
  3. H 0 : 24 vs. H a : > 24
  4. H 0 : > 24 vs. H a : 24

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