Q2 A distribution of values is normal with a mean of 193.2 and a standard deviation of 67.7. Find the probability that a randomly selected value is less than 247.4. P(X < 247.4) = 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.]

A distribution of values is nomal with a mean of 202.1 and a standard deviation of 33.4. Find the probability that a randomly selected value is greater than 285.6. P(X> 285.6) = 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. Question Help: D Post to forum Submit Question Type here to search 立

A distribution of values is normal with a mean of 203.8 and a standard deviation of 50.2.Find the probability that a randomly selected value is less than 113.4. P(X < 113.4) = 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.

A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 110.9 cm and a standard deviation of 2.1 cm. For shipment, 19 steel rods are bundled together.Find the probability that the average length of a randomly selected bundle of steel rods is less than 110.8 cm.P(M < 110.8 cm) = Enter your answer as a number accurate to 4 decimal places.

A distribution of values is normal with a mean of 234.9 and a standard deviation of 14.9.Find the probability that a randomly selected value is greater than 226.P(X > 226) = 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

A distribution of values is normal with a mean of 122.8 and a standard deviation of 71.9.Find P47, which is the score separating the bottom 47% from the top 53%. P47 = IncorrectEnter your answer as a number accurate to 1 decimal place. Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted.

A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 258.1 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 257.8 cm and 258.4 cm.P(257.8 cm < x¯ < 258.4 cm) = Enter your answer as a number accurate to 4 decimal places. Answers should be obtained using z-scores correct to two decimal places.

The amount of calories consumed by customers at the Chinese buffet is normally distributed with mean 2885 and standard deviation 651. One randomly selected customer is observed to see how many calories X that customer consumes. Round all answers to two decimal places.   B. Find the probability that the customer consumes less than 2000 calories.