Asked by Rhi

A manufacturer knows that their items have a normally distributed length, with a mean of 7.3 inches, and standard deviation of 0.6 inches.

If one item is chosen at random, what is the probability that it is less than 5.5 inches long?

13 years ago

Answered by PsyDAG

Z = (score-mean)/SD

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

13 years ago

Answered by lupe

-6.66

7 years ago

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