what does it mean when null hypothesis is rejected

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1. Null hypothesis

   

2. Null Hypothesis and Alternative Hypothesis

   

3. Null Hypothesis Testing

   

4. Solved If the null hypothesis is rejected at the 0.005 level

   

5. Solved If the null hypothesis is rejected at the 0.05 level

   

6. Solved If the null hypothesis is not rejected at the 5%