Professor ivy collects data on the time it takes for ivy tech students to travel to school. she find that she can model the data with the normal distribution. the mean commute time is 27.5 minutes with a standard deviation of 5.2 minutes. what is the interval of commute times for the middle 68% of students?

`1234567890-=/*-qwertyuiop[]asdfghjkl; '\\zxcvbnm,./+ /

answer:

a=9

step-by-step explanation: lmk if you need a explanation

the first option is the answer.

6^2 or 36

step-by-step explanation:

6000n

6×1000n

6×10^3 n

so we need 6n need to be a perfect cube

so n has to be 6^2 so that 6n is 6^3

what i'm saying is if you let n be 6^2 you have 6^3×10^3 or 60^3 which is a perfect cube