Suppose that prices of a certain model of new homes are normally distributed with a mean of $150,000. Find the percentage of buyers who paid: between $150,000 and $152,400 if the standard deviation is $1200.

The percentage is  

Step-by-step explanation:

From the question we are told that

   The  population mean is  

    The standard deviation is  

    The prices we are considering is

Given that the price is normally distributed , the percentage the percentage of buyers who paid between $150,000 and $152,400 is mathematically represented as

So    is equal to z (the standardized value of  X  )

   So

substituting values

From the standardized normal distribution table and  

So  

The percentage is  

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step-by-step explanation: