Khan Academy
Khan Academy: Normal Distribution: Area Above or Below a Point
Use a z-table to find the probability of a particular measurement. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Normal Distribution: Area Between Two Points
Use a z-table to find the probability that a particular measurement is in a range. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.