Ask your own question, for FREE!
Mathematics 15 Online
OpenStudy (anonymous):

if the probability of a defective bolt is 0.1, find the standard deviation and the mean, for the number of defective bolts in a total of 400 bolts.

OpenStudy (anonymous):

I got the mean alraedy (40) but getting the std dev is kinda hard can someone help me?

OpenStudy (anonymous):

I got 6

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!