Suppose that prices of a certain model of new homes are normally distributed with a mean of $150,000. Use the 68-95-99.7 rule to find the percentage of buyers who paid: less than $148,400 if the standard deviation is $800.

please no link for the answer

the answer is simply just 6n add the two together as they have an n

b.-4 units

all you   do is count how many times you move

answer: 16

step-by-step explanation: first you would add 6+6 which equals 12 then add 2+2 which equals 4. then add 12 + 4 which is 16.

hope this ^_^