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In the past, the value of houses a local realtor has sold is normally distributed with a mean
of $230,000 with a standard deviation of $65,000.
What is the probability that the next house the realtor sells has a value over $350,000?
Probability the next house the realtor sells has a value under $350,000?
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They want you find the area under the specified normal curve on the right
of this x-score $350,000.
For it, you may use free of charge online calculator
https://onlinestatbook.com/2/calculators/normal_dist.html
This calculator has sinple and intuitively clear interface,
so even a beginner student can use it without any problems and
without any additional explanations.
In opposite, this calculator itself is a perfect teacher,
and it quickly will teach you how to make such calculations with no errors
and with full understanding of the process.
With this calculator, the answer for the probability is P = 0.0324.
The answer to the second question is the complement to the found value
P' = 1 - 0.0324 = 0.9676.
Solved.