Ask a question weekly wages at a certain factory are normally distributed with s mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $250 and $300.

Weekly wages are normally distributed with a mean of $400

standard deviation of $50

we are supposed to find the probability that a worker selected at random makes between $250 and $300.

The z-Score can be written as

Now as we can write the probability as

Now using the Z-score table we can write

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step-by-step explanation: