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For the passengers in the SRS, what is the approximate probability that the mean length of time for them to get through security will be less than 18 minutes?

The life span of the battery pack is known to be Normally distributed with a mean of 250 hours and a standard deviation of 20 hours. How to find the percentage of the battery packs lasting more than 250 hrs.

Urgen!! Statistics homework help? Your company is producing special battery packs for the most popular toy during the holiday season. The life span of the battery pack is known to be Normally distributed with a mean of 250 hours and a standard deviation o...

given the point A(-5,-3) and B(4,9), find the coordinates of the point Pon dirrected line segment AB that partitions AB into a ratio of 1 to 2

how can i describe two ways in moon differs from the earth

can some1 post the answers for the connections test