The mean price for a home in a florida county is $125,000. the standard deviation for the same sample is $23,000. what percentage of homes in the county are valued over $100,000? use the standard normal probabilities table to find your answer. enter your answer with two places. i keep getting 86.15% the answer is supposed to be 86.21% i am not sure what i did wrong so explain what you did.

Solution: There is nothing wrong with your calculation's. But the question wants to round the z score to two decimal places.

Let me show you how to get 86.21%.

We are given:

We have to find

Using the z-score formula, we have:

        rounded to two decimal places

Now we have to find

Using the standard normal table, we have:

rounded to 4 decimal places

Therefore, the percentage of homes in the county that are valued over $100,000 is 86.21%

answer:

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step-by-step explanation:

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