The length of a social media interaction is normally distributed with a mean of 3 minutes and a standard deviation of .4 minutes. What is the probability that an interaction lasts longer than 4 minutes?
@jim_thompson5910 can you help me?

Question

The length of a social media interaction is normally distributed with a mean of 3 minutes and a standard deviation of .4 minutes. What is the probability that an interaction lasts longer than 4 minutes? 
@jim_thompson5910  can you help me?

anonymous · Answer

0.0045254 

 0.043351 

 0.0095254 

 0.006209

imstuck · Answer

Do you know how the normally distributed curve would be set up for this?

anonymous · Answer

umm... yeah a little bit

anonymous · Answer

I know you're going to divide .4 because it's a sd

imstuck · Answer

Heres the curve:|dw:1406790087894:dw|