2. according to the sleep foundation, the average night’s sleep is 6.8 hours (fortune, march20, 2006). assume the standard deviation is .6 hours and that the probability distribution is normal. a. what is the probability that a randomly selected person sleeps more than 8 hours

Lol idk but someone will eventually figure it out

I can only see  #1,  #2, and  #3  in the picture.
I must say that I'm astonished.

Not only are all three of your answers correct,
but your work is neat, organized, and correct too.

You've attacked each problem in exactly the right way, the results
show it, and it's clear that you know what you're doing.

You rock !