Thursday
March 23, 2017

Post a New Question

Posted by on Tuesday, November 15, 2011 at 1:17pm.

the times required to assemble a product part are normally distributed with a mean of 54.4 minutes & a standard deviation of 5.2 minutes. What fraction of the assemble workers require more than one hour?

  • statistics - , Wednesday, November 16, 2011 at 11:39am

    Z = (score-mean)/SD

    Convert hour into minutes.

    Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion related to that Z score.

Answer This Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Post a New Question