A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 130.7-cm and a standard deviation of 0.8-cm. For shipment, 11 steel rods are bundled together. Find the probability that the average length of a randomly selected bundle of steel rods is greater than 131-cm. P(M > 131-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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A:

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A:

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Q: A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of…

A:

Q: A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of…

A: Let "M" be the average length of the steel rods.

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A: Mean = 233.3 Std dev = 2.1 n = 14

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A:

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A: mean=145.2cm S.D=2.2cm

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A: Normal distribution

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.