112 pts) 7. If the average weight of a bag of pretzels is normally distributed with...
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.)
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 weight of ice cream cartons are normally distributed with a mean weight of 13 ounces and a standard deviation of 0.6 ounce. a) what is the probability that a randomly selected carton has a weight greater than 13.22 ounces? b) a sample of 25 cartons are randomly selected. what is the probability that their mean weight is greater than 13.22 ounces?
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?
The weight of items produced by a machine is normally distributed with a mean of 8 ounces and a standard deviation of 2 ounces. Refer to Exhibit 6-5. What is the probability that a randomly selected item will weigh more than 12 ounces? The Probability is
The contents of soft drink bottles are normally distributed with a mean of twelve ounces and a standard deviation of two ounce. a. What is the probability that a randomly selected bottle will contain more than ten ounces of soft drink? b. What is the probability that a randomly selected bottle will contain between 9.5 and 11 ounces? c. What percentage of the bottles will contain less than 10.5 ounces of soft drink?
Exhibit 6-5 The weight of items produced by a machine is normally distributed with a mean of 8 ounces and a standard deviation of 2 ounces. Refer to Exhibit 6-5. What is the probability that a randomly selected item will weigh more than 10 ounces?
The weight of the potatoes is approximately normally distributed with population mean μ=10 ounces and population standard deviation σ=1.5 ounces. Use 68-95-99.7 rule to answer the questions below: a). What is the probability that a randomly selected potato weighs over 13 ounces? b). What is the probability that a randomly selected potato weighs below 8.5 ounces? c). What is the probability that a randomly selected potato weighs between 8.5 ounces and 10 ounces? d).What is the probability that a randomly...
The weight gain for college freshman is normally distributed with an average of 7 pounds and a standard deviation of 1.2 pounds. If a college freshman is randomly selected, what is the probability that the student's weight gain is more than 10 pounds? ROUND to the nearest THOUSANDTHS place.
The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with mean 1252 and standard deviation 129 chips. (a) What is the probability that a randomly selected bag contains between 1000 and 1500 chocolate chips? (b) What is the probability that a randomly selected bag contains fewer than 1000 chocolate chips? (c) What proportion of bags contains more than 1225 chocolate chips? (a) The probability that a randomly selected bag contains between 1000 and 1500 chocolate chips...