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OverLord2011 [107]
3 years ago
13

A tank contains 8000 liters of water. Each day, half of the water in the tank is removed. How much water will be in the tank?

Mathematics
1 answer:
Nezavi [6.7K]3 years ago
4 0

Answer:

4,000 liters of water.

Step-by-step explanation:

If it has only been one day, then there should only be 4,000 liters of water considering half of 8,000 is 4,000. You're Welcome! (:

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HELP!!! STATS!!!
Vadim26 [7]

Answer:

The 99% confidence interval is   165.776  <  \mu <  180.224  

Step-by-step explanation:

From the question we are told that

     The sample size is  n  = 100

     The sample mean is  \=  x  =  173 \  days

      The population standard deviation is  \sigma =  28 \ days  

From the question we are told the confidence level is  99% , hence the level of significance is    

      \alpha = (100 - 99 ) \%

=>   \alpha = 0.01

Generally from the normal distribution table the critical value  of  \frac{\alpha }{2} is  

   Z_{\frac{\alpha }{2} } = 2.58

Generally the margin of error is mathematically represented as  

      E = Z_{\frac{\alpha }{2} } *  \frac{\sigma }{\sqrt{n} }

      E = 2.58  *  \frac{28 }{\sqrt{100} }

=>    E = 7.224

Generally 95% confidence interval is mathematically represented as  

      \= x -E <  \mu <  \=x  +E

=>     173 -7.224  <  \mu < 173 + 7.224    

=>     165.776  <  \mu < 180.224  

     

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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