Question: What does a z-score that equals - 1.45 mean for each of your null hypothesis? Does it lead you to reject or fail to reject

  1. What does a z-score that equals - 1.45 mean for each of your null hypothesis?
  2. Does it lead you to reject or fail to reject the null hypothesis?
  3. Which z-score value will be required for you to fail to reject the null hypotheses at 95 % confidence level?

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