The time required to finish a test in normally distributed with a mean of 80 minutes and a standard
deviation of 15 minutes. What is the probability that a student chosen at random will finish the test in more
than 110 minutes?
16%
34%
82%
2%

so I think what's happening is normal distribution? if so then I'm gonna freak out because I don't understand that.

Question

The time required to finish a test in normally distributed with a mean of 80 minutes and a standard
deviation of 15 minutes. What is the probability that a student chosen at random will finish the test in more
than 110 minutes?
	16%
	34%
	82%
	2%

so I think what's happening is normal distribution? if so then I'm gonna freak out because I don't understand that.

anonymous · Answer

oh wait..think i might understand it hold on.

anonymous · Answer

oh yeah no i understood a different one.

anonymous · Answer

would you subtract 15-80?

here_to_help15 · Answer

ugh i want to help buts i dont know how what grade r u in?

anonymous · Answer

i'm gonna be a senior

here_to_help15 · Answer

well no wonder ur a grade higher than me :P

anonymous · Answer

you're pretty smart though!