A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of118.1-cm and a standard deviation of 2.1-cm. For shipment, 10 steel rods are bundled together.Find the probability that the average length of a randomly selected bundle of steel rods is less than 120.2-cm.P(M120.2-cm) =Enter your answer as a number accurate to 4 decimal places.

We have given that Mean=120.2, Standard deviation=2.1

Answered: A company produces steel rods. The…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 175.2-cm and a standard deviation of 1.8-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 greater than 176.2-cm.P(M > 176.2-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.
A soft drink machine outputs a mean of 29 ounces per cup. The machine's output is normally distributed with a standard deviation of 4 ounces. What is the probability of filling a cup between 25 and 31 ounces? Round your answer to four decimal places. Answer esc If you would like to look up the value in a table, select the table you want to view, then either click the cell at the intersection of the row and column or use the arrow keys to find the appropriate cell in the table and select it using the Space key. angle. 9 ! 1 9 a Z ← @ 2 W S X # 3 e d C C $ 4 r f % 5 V t Oll A 6 Normal Table - to-z Normal Table - to z b y h & 7 n O u * 8 3 O i N ( 9 k O < 1 alt ) 0 1 Р O - : Tables ; Submit Answer 4 ? 1 + = Keypad Keyboard Shortcuts 31 11 1 Oct 28 }. backspace 1 USE YOUR SMARTPHONE FOR 2:53 3 D45 enter
The mean weight of all Goliath grouper caught on the Treasure coast is 377 pounds, with a standard deviation of 72 pounds. Suppose a random sample of 37 Goliath Grouper from the Treasure Coast are caught and weighed. Determine the probability that the average weight of the sample of 37 Goliath Grouper is within 31 pounds of the average weight of all Goliath Grouper caught on the Treasure Coast. Round the solution four decimal places, if necessary.
80% of beans seeds sprout. Three seeds were planted. Find the distribution of the variable X = number of seeds that sprout. Find its mean value, variation and the probability that (a) at least two seeds sprout, (b) no one. [Ans.0, 816; 0, 008 ]
A vending machine dispenses coffee into a twelve-ounce cup. The amount of coffee dispensed into the cup is normally distributed with a standard deviation of 0.04 ounce. You can allow the cup to overfil 3% of the time. What amount should you set as the mean amount of coffee to be dispensed? Cik to View ongn 1.o the table Click to view. Dagn 2.of the tabin. Dounces (Round to two decimal places as needed.)
A particular fruit's weights are normally distributed, with a mean of 455 grams and a standard deviation of 31 grams. If you pick 19 fruit at random, what is the probability that their mean weight will be between 434 grams and 443 grams? Use GeoGebra. Round to 4 places.
The life of light bulbs is distributed normally. The standard deviation of the lifetime is 25 hours and the mean lifetime of a bulb is 510 hours. Find the probability of a bulb lasting for at most 552 hours. Round your answer to four decimal places.
Trucks in a delivery fleet travel a mean of 8080 miles per day with a standard deviation of 3737 miles per day. The mileage per day is distributed normally. Find the probability that a truck drives less than 150150 miles in a day. Round your answer to four decimal places.
Determine the probability of seeing a Z score of 2.699 or one with a larger absolute value.
A driver has pumped 13 gallons of gas to his track. On average day that driver has to spend 2 gallons of gas with the deviation 1 gallons. Calculate the probability that these 13 gallons of gas will be enough for next 6 days of driving that track.
the length of animals of a species is normal with population standard deviation 9.7 inches. the probability is 0.14 that the animal is hsorter than 27 inches. find the population mean

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