A company produces steel rods. The lengths of the steel rods are normally distributed with a...
A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 231.1-cm and a standard deviation of 2-cm. For shipment, 25 steel rods are bundled together. Find the probability that the average length of a randomly selected bundle of steel rods is between 230.5-cm and 230.6-cm.
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A company produces steel rods. The lengths of the steel rods are
normally distributed with a...
A company produces steel rods. The lengths of the steel rods are normally distributed with a...
A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 225.5-cm and a standard deviation of 2.2-cm. For shipment, 26 steel rods are bundled together. Find the probability that the average length of a randomly selected bundle of steel rods is greater than 224.2-cm.
A company produces steel rods. The lengths of the steel rods are normally distributed with a...
A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 146.3-cm and a standard deviation of 0.5-cm. For shipment, 14 steel rods are bundled together. Find the probability that the average length of a randomly selected bundle of steel rods is between 146.2-cm and 146.6-cm. P(146.2-cm < M < 146.6-cm) =
A company produces steel rods. The lengths of the steel rods are normally distributed with a...
A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 200-cm and a standard deviation of 0.7-cm. For shipment, 18 steel rods are bundled together. Find the probability that the average length of a randomly selected bundle of steel rods is between 199.7-cm and 200-cm. P(199.7-cm < ¯xx¯ < 200-cm) =
A company produces steel rods. The lengths of the steel rods are normally distributed with a...
A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 172.4-cm and a standard deviation of 1.4-cm. For shipment, 28 steel rods are bundled together. Find the probability that the average length of a randomly selected bundle of steel rods is less than 172.9-cm. P(M < 172.9-cm) =
A company produces steel rods. The lengths of the steel rods are normally distributed with a...
A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 183-cm and a standard deviation of 0.6-cm. For shipment, 20 steel rods are bundled together. Find the probability that the average length of a randomly selected bundle of steel rods is less than 183.1-cm. P( ¯ x < 183.1-cm) =______ Enter your answer as a number accurate to 4 decimal places.
A company produces steel rods. The lengths of the steel rods are normally distributed with a...
A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 170.1-cm and a standard deviation of 1.5-cm. For shipment, 16 steel rods are bundled together. Find the probability that the average length of the rods in a randomly selected bundle is between 169.8-cm and 170-cm. P(169.8-cm < ¯¯¯ X < 170-cm) = Round to 4 decimal places. Answers obtained using exact z-scores or z-scores rounded to 2 decimal places are accepted.
A company produces steel rods. The lengths of the steel rods are normally distributed with a...
A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 136.9-cm and a standard deviation of 2.2-cm. For shipment, 29 steel rods are bundled together. Find the probability that the average length of a randomly selected bundle of steel rods is between 137.8-cm and 138.1-cm. P(137.8-cm < M < 138.1-cm) = Enter your answer as a number accurate to 4 decimal places. Answers obtained using exact z-scores or z-scores rounded to 3...
A company produces steel rods. The lengths of the steel rods are normally distributed with a...
A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 95.4-cm and a standard deviation of 1.1-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 between 95.1-cm and 95.3-cm. P(95.1-cm < M < 95.3-cm) = Enter your answer as a number accurate to 4 decimal places. Answers obtained using exact z-scores or z-scores rounded to 3...
A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 176.1-cm and a standard deviation of 2.1-cm. For shipment, 23 steel rods are bundled together.
A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 176.1-cm and a standard deviation of 2.1-cm. For shipment, 23 steel rods are bundled together. Find the probability that the average length of a randomly selected bundle of steel rods is greater than 177.1-cm.P(M > 177.1-cm) =
A company produces steel rods. The lengths of the steel rods are normally distributed with a...
A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 212-cm and a standard deviation of 2.2-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 less than 213.6-cm. P(M < 213.6-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...
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