Discuss the below:
Q: The average conventional first mortgage for new single-family homes was $294,000. Assuming a normal distribution and a standard deviation of o = $30,000, what proportion of the mortgages were:
a. more than $294,000?
b. between $234,000 and $354,000?
c. between $264,000 and $342,000?
d. more than $204,000?