A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 130-cm and a standa

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A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 130-cm and a standa

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A Company Produces Steel Rods The Lengths Of The Steel Rods Are Normally Distributed With A Mean Of 130 Cm And A Standa 1
A Company Produces Steel Rods The Lengths Of The Steel Rods Are Normally Distributed With A Mean Of 130 Cm And A Standa 1 (22.13 KiB) Viewed 36 times
A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 130-cm and a standard deviation of 1.7-cm. For shipment, 6 steel rods are bundled together. Find the probability that the average length of a randomly selected bundle of steel rods is less than 128.6-cm. P(M128.6-cm) = Enter your answer as a number accurate to 4 decimal places. Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted.
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