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Help Save & A worker at a landscape design...
A worker at a landscape design center uses a machine to fill bags with potting soil....
A worker at a landscape design center uses a machine to fill bags with potting soil. Assume that the quantity put in each bag follows the continuous uniform distribution with low and high filling weights of 10.8 pounds and 15.7 pounds, respectively. a. Calculate the expected value and the standard deviation of this distribution. (Do not round intermediate calculations. Round your "Expected value" to 2 decimal places and "Standard deviation" answer to 4 decimal places.) b. Find the probability that...
Please show steps by step on how to get answer. Thank you, experts. Save & Exit...
Please show steps by step on how to get answer. Thank
you, experts.
Save & Exit 5 Let X be normally distributed with mean u = 120 and standard deviation o = 20. [You may find it useful to reference the z table.] 3.33 points a. Find PX < 86). (Round "z" value to 2 decimal places and final answer to 4 decimal places.) Skipped P(XS 86) eBook References b. Find P180 SX S100). (Round "z" value to 2 decimal...
Please explain how to find on the z table. And offer step by step. please and...
Please explain how to find on the z table. And offer
step by step. please and thanks ??
Beer bottles are filled so that they contain an average of 455 ml of beer in each bottle. Suppose that the amount of beer in a bottle is normally distributed with a standard deviation of 8 ml. [You may find it useful to reference the z table.] a. What is the probability that a randomly selected bottle will have less than 452...
please use a simpler method. Help Save & Exit Submit At a local community college, 59%...
please use a simpler method.
Help Save & Exit Submit At a local community college, 59% of students who enter the college as freshmen go on to graduate. Seven freshmen are randomly selected. a. What is the probability that none of them graduates from the local community college? (Do not round intermediate calculations. Round your final answer to 4 decimal places.) Probability b. What is the probability that at most six will graduate from the local community college? (Do not...
Bass - Samples: The bass in Clear Lake have weights that are normally distributed with a...
Bass - Samples: The bass in Clear Lake have weights that are normally distributed with a mean of 2.2 pounds and a standard deviation of 0.8 pounds. Suppose you catch a stringer of 6 bass with a total weight of 16.5 pounds. Here we determine how unusual this is. (a) What is the mean fish weight of your catch of 6? Round your answer to 1 decimal place. (b) If 6 bass are randomly selected from Clear Lake, find the...
A grocery store purchases bags of oranges from California to sell in their store. The weight...
A grocery store purchases bags of oranges from California to sell in their store. The weight of a bag of California oranges is normally distributed with a mean of 8.4 pounds and a variance of 1.21 pounds2 A bag of California oranges is randomly selected in the grocery store. Round all probability answers to four decimal places.) a. What is the probability that a randomly selected California orange bag purchased by a customer weighs more than 7 pounds? b. What...
A grocery store purchases bags of oranges from California to sell in their store. The weight...
A grocery store purchases bags of oranges from California to sell in their store. The weight of a bag of California oranges is normally distributed with a mean of 6.9 pounds and a variance of 1.21 pounds2. A bag of California oranges is randomly selected in the grocery store. (Round all probability answers to four decimal places.) a. What is the probability that a randomly selected California orange bag purchased by a customer weighs more than 8 pounds? b. What...
A grocery store purchases bags of oranges from California to sell in their store. The weight...
A grocery store purchases bags of oranges from California to sell in their store. The weight of a bag of California oranges is normally distributed with a mean of 8.1 pounds and a variance of 1.21 pounds2. A bag of California oranges is randomly selected in the grocery store. (Round all probability answers to four decimal places.) a. What is the probability that a randomly selected California orange bag purchased by a customer weighs more than 8 pounds? b. What...
Potatoes - Samples: Assume the weights of Farmer Carl's potatoes are normally distributed with a mean...
Potatoes - Samples: Assume the weights of Farmer Carl's potatoes are normally distributed with a mean of 9.0 ounces and a standard deviation of 1.2 ounces. He bags his potatoes in groups of 6. You buy a bag and the total weight is 48 ounces. Here we determine how lucky or unlucky you are. (a) What is the mean potato weight in your bag of 6? Enter your answer to 1 decimal place. ounces (b) If 6 potatoes are randomly...
A population of a particular breed of rabbit has a mean weight of 5 pounds, with...
A population of a particular breed of rabbit has a mean weight of 5 pounds, with a standard deviation of 4 pounds. If a sample of 36 rabbits of this particular breed is randomly selected, answer the questions and round your final answers to 4 decimal places. (a) What is the probability that the rabbits will have a mean weight of 6 pounds or greater? (b) 35% of the rabbits have a mean weight that is less than what value?...
Please show steps by step on how to get answer. Thank
you, experts.
Save & Exit 5 Let X be normally distributed with mean u = 120 and standard deviation o = 20. [You may find it useful to reference the z table.] 3.33 points a. Find PX < 86). (Round "z" value to 2 decimal places and final answer to 4 decimal places.) Skipped P(XS 86) eBook References b. Find P180 SX S100). (Round "z" value to 2 decimal...
Please explain how to find on the z table. And offer
step by step. please and thanks ??
Beer bottles are filled so that they contain an average of 455 ml of beer in each bottle. Suppose that the amount of beer in a bottle is normally distributed with a standard deviation of 8 ml. [You may find it useful to reference the z table.] a. What is the probability that a randomly selected bottle will have less than 452...
please use a simpler method.
Help Save & Exit Submit At a local community college, 59% of students who enter the college as freshmen go on to graduate. Seven freshmen are randomly selected. a. What is the probability that none of them graduates from the local community college? (Do not round intermediate calculations. Round your final answer to 4 decimal places.) Probability b. What is the probability that at most six will graduate from the local community college? (Do not...
A grocery store purchases bags of oranges from California to sell in their store. The weight of a bag of California oranges is normally distributed with a mean of 8.4 pounds and a variance of 1.21 pounds2 A bag of California oranges is randomly selected in the grocery store. Round all probability answers to four decimal places.) a. What is the probability that a randomly selected California orange bag purchased by a customer weighs more than 7 pounds? b. What...
A population of a particular breed of rabbit has a mean weight of 5 pounds, with a standard deviation of 4 pounds. If a sample of 36 rabbits of this particular breed is randomly selected, answer the questions and round your final answers to 4 decimal places. (a) What is the probability that the rabbits will have a mean weight of 6 pounds or greater? (b) 35% of the rabbits have a mean weight that is less than what value?...
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