Prices of homes in raleigh, north carolina are normally distributed with a
mean of $231,600 and standard deviation of $38,550.
a) what is the probability that a randomly selected home is worth more than
$300,000? round to 4 decimals.
b) take an srs of homes. what is the probability that the mean price of these
homes is more than $300,000? round to 7 decimals.
c) what is the probability that the mean price of an srs of 75 homes is more
than $300,000? write in scientific notation rounded to 2 decimals no spaces.