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The weights of employees in a large company are normally distributed with a mean of 88...
The weights of ice cream cartons are normally distributed with a mean weight of 11 ounces and a standard deviation of 0.5 ounce. (a) What is the probability that a randomly selected carton has a weight greater than 11.17 ounces? (b) A sample of 16 cartons is randomly selected. What is the probability that their mean weight is greater than 11.17 ounces?
The weights of ice cream cartons are normally distributed with a mean weight of 7 ounces and a standard deviation of 0.3 ounce. (a) What is the probability that a randomly selected carton has a weight greater than 7.12 ounces? (b) A sample of 25 cartons is randomly selected. What is the probability that their mean weight is greater than 7.12 ounces? (a) The probability is (Round to four decimal places as needed.)
Assuming that men’s weights are normally distributed with a mean of 172 lb. and a population standard deviation of 29 lb. Find the probability that 36 randomly selected men have a mean weight of less than 167 lb.
Assuming that men's weights are normally distributed with a mean of 172 lb. and a population standard deviation of 29 lb, find the probability. a.) That a randomly selected man has a weight greater than 180 lb. (4 points) b.) That 36 randomly selected men have a mean weight of less than 167 lb. (4 points)
The weights of ice cream cartons are normally distributed with a mean weight of 8 ounces and a standard deviation of 0.4 ounce. (a) What is the probability that a randomly selected carton has a weight greater than 8.13 ounces? (b) A sample of 36 cartons is randomly selected. What is the probability that their mean weight is greater than 8.13 ounces?
5. The weights of items produced by a company are normally distributed with a mean of 9.00 ounces and a standard deviation of 0.6 ounces. a. What is the probability that a randomly selected item from the production will weigh at least 8.28 ounces? b. What percentage of the items weigh between 9.6 and 10.08 ounces? c. Determine the minimum weight of the heaviest 5% of all items produced. d. If 27,875 of the items of the entire production weigh...
The weights of a certain brand of candies are normally distributed with a mean weight of 0.8547 g and a standard deviation of 0.0523 g. A sample of these candies came from a package containing 454 candies, and the package label stated that the net weight is 387.4 g. (if every package has 454 candies, the mean weight of the candies must exceed 387.4/454= 0.8532 g for the net contents to weigh at least 387.4 g) a. If 1 candy...
The weights of newborns are normally distributed with a mean 9 lbs and standard deviation 2.4 lbs. Using the Empirical Rule determine the probability that the weight of a newborn, chosen at random, is less than 1.8 lbs? The probability that a weight of randomly selected newborn is less than 1.8 lbs is:
The weights of a certain brand of candies are normally distributed with a mean weight of 0.8604 g and a standard deviation of 0.052 g. A sample of these candies came from a package containing 459 candies, and the package label stated that the net weight is 391.99. (If every package has 459 candies, the moon weight of the candies 391.9 must exceed 250 =0.8539 g for the net contents to weigh at least 391.99.) a. If 1 candy is...
5. Assume that women's weights are normally distributed with a mean given by -1431b and a standard deviation given by ơ 29 lb. If I woman is randomly selected, find the probability that her weight is less than 140 lbs. Is a continuity correction necessary? Explain. (10 points)