The distribution of actual weights of 8-oz chocolate bars produced by a certain machine is normal...
The distribution of actual weights of 8-oz chocolate bars produced by a certain machine is normal with mean 8.3 ounces and standard deviation 0.2 ounces.
(a) What is the probability that the average weight of a bar in a simple random sample of five of these chocolate bars is between 8.17 and 8.48 ounces?
(b) For a simple random sample of five of these chocolate bars, what is the level L such that there is a 5 % chance that the average weight is less than L?
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The distribution of actual weights of 8-oz chocolate bars
produced by a certain machine is normal...
The distribution of actual weights of 8-oz chocolate bars produced by a certain machine is normal...
The distribution of actual weights of 8-oz chocolate bars produced by a certain machine is normal with mean 8.1 8.1 ounces and standard deviation 0.11 0.11 ounces. (a) What is the probability that the average weight of a bar in a simple random sample of four of these chocolate bars is between 8 8 and 8.2 8.2 ounces? (b) For a simple random sample of four of these chocolate bars, what is the level L L such that there is...
The distribution of actual weights of 8-oz chocolate bars produced by a certain machine is normal...
The distribution of actual weights of 8-oz chocolate bars produced by a certain machine is normal with mean 7.8 ounces and standard deviation 0.14 ounces. (a) What is the probability that the average weight of a bar in a Simple Random Sample (SRS) with three of these chocolate bars is between 7.6 and 7.99 ounces? ANSWER: (b) For a SRS of three of these chocolate bars, what is the level ?L such that there is a 4% chance that the...
(1 point) The distribution of actual weights of 8- oz chocolate bars produced by a certain...
(1 point) The distribution of actual weights of 8- oz chocolate bars produced by a certain machine is normal with mean 8.3 ounces and standard deviation 0.12 ounces. (a) What is the probability that the average weight of a bar in a Simple Random Sample (SRS) with three of these chocolate bars is between 8.13 and 8.47 ounces? ANSWER: 0.9859 (b) For a SRS of three of these chocolate bars, what is the level L such that there is a...
(2 points) The distribution of actual weights of 8-oz chocolate bars produced by a certain machine...
(2 points) The distribution of actual weights of 8-oz chocolate bars produced by a certain machine is normal with mean 8 ounces and standard deviation 0.2 ounces. (a) What is the probability that the average weight of a random sample of 4 of these chocolate bars will be between 7.8 and 8.17 ounces? ANSWER: (b) For a random sample of of these chocolate bars, find the value L such that P(ã < L) = 0.0281. ANSWER:
(1 point) The distribution of actual weights of 8-oz chocolate bars produced by a certain machine...
(1 point) The distribution of actual weights of 8-oz chocolate bars produced by a certain machine is normal with mean 8.2 ounces and standard deviation 0.13 ounces. (a) What is the probability that the average weight of a bar in a Simple Random Sample (SRS) with four of these chocolate bars is between 8.08 and 8.4 ounces? (b) For a SRS of four of these chocolate bars, what is the level L such that there is a 3% chance that...
(1 point) The distribution of actual weights of 8-oz chocolate bars produced by a certain machine...
(1 point) The distribution of actual weights of 8-oz chocolate bars produced by a certain machine is normal with mean 8 ounces and standard deviation 0.13 ounces. (a) What is the probability that the average weight of a bar in a Simple Random Sample (SRS) with four of these chocolate bars is between 7.8 and 8.13 ounces? ANSWER: (b) For a SRS of four of these chocolate bars, what is the level L such that there is a 2% chance...
(1 point) The distribution of actual weights of 8-oz chocolate bars produced by a certain machine...
(1 point) The distribution of actual weights of 8-oz chocolate bars produced by a certain machine is normal with mean 7.7 ounces and standard deviation 0.19 ounces. (a) What is the probability that the average weight of a bar in a Simple Random Sample (SRS) with 4 of these chocolate bars is between 7.54 and 7.87 ounces? ANSWER: (b) For a SRS of 4 of these chocolate bars, what is the level L such that there is a 3% chance...
Chapter 7: Problem 16 Pr (1 point) The distribution of actual weights of 8-oz chocolate bars produced by a certain machine is normal with mean 7.8 ounces and standard deviation 0.15 ounces (a) Wh...
Chapter 7: Problem 16 Pr (1 point) The distribution of actual weights of 8-oz chocolate bars produced by a certain machine is normal with mean 7.8 ounces and standard deviation 0.15 ounces (a) What is the probability that the average weight of a bar in a Simple Random Sample (SRS) with 3 of these chocolate bars is between 7.66 and 7.91 ounces? ANSWER (b) For a SRS 013 of these chocolate bars, what is the level L such that there...
(point) The distribution of actual weights of 8-oz chocolate bars produced by a certain machine is...
(point) The distribution of actual weights of 8-oz chocolate bars produced by a certain machine is normal with mean 8.1 ounces and standard deviation 0.11 ounces Round your z-score to 2 decimal places. (a) What is the probability that the average weight of a bar in a Simple Random Sample (SRS) with five of nswer to at least 4 decimal places these chocolate bars is between 7.98 and 8.3 ounces? Give your a ANSWER: (b) For a SRS of five...
The distribution of actual weights of 8-oz chocolate bars produced by a certain machine is normal with mean 8 ounces and standard deviation 0.14 ounces
(a) What is the probability that the average weight of a bar in a Simple Random Sample (SRS) with 4 of these chocolate bars is between 7.82 and 8.11 ounces?(b) For an SRS of 4 of these chocolate bars, what is the level L such that there is a 1% chance that the average weight is less than L?
(1 point) The distribution of actual weights of 8- oz chocolate bars produced by a certain machine is normal with mean 8.3 ounces and standard deviation 0.12 ounces. (a) What is the probability that the average weight of a bar in a Simple Random Sample (SRS) with three of these chocolate bars is between 8.13 and 8.47 ounces? ANSWER: 0.9859 (b) For a SRS of three of these chocolate bars, what is the level L such that there is a...
(2 points) The distribution of actual weights of 8-oz chocolate bars produced by a certain machine is normal with mean 8 ounces and standard deviation 0.2 ounces. (a) What is the probability that the average weight of a random sample of 4 of these chocolate bars will be between 7.8 and 8.17 ounces? ANSWER: (b) For a random sample of of these chocolate bars, find the value L such that P(ã < L) = 0.0281. ANSWER:
(1 point) The distribution of actual weights of 8-oz chocolate bars produced by a certain machine is normal with mean 8 ounces and standard deviation 0.13 ounces. (a) What is the probability that the average weight of a bar in a Simple Random Sample (SRS) with four of these chocolate bars is between 7.8 and 8.13 ounces? ANSWER: (b) For a SRS of four of these chocolate bars, what is the level L such that there is a 2% chance...
(1 point) The distribution of actual weights of 8-oz chocolate bars produced by a certain machine is normal with mean 7.7 ounces and standard deviation 0.19 ounces. (a) What is the probability that the average weight of a bar in a Simple Random Sample (SRS) with 4 of these chocolate bars is between 7.54 and 7.87 ounces? ANSWER: (b) For a SRS of 4 of these chocolate bars, what is the level L such that there is a 3% chance...
Chapter 7: Problem 16 Pr (1 point) The distribution of actual weights of 8-oz chocolate bars produced by a certain machine is normal with mean 7.8 ounces and standard deviation 0.15 ounces (a) What is the probability that the average weight of a bar in a Simple Random Sample (SRS) with 3 of these chocolate bars is between 7.66 and 7.91 ounces? ANSWER (b) For a SRS 013 of these chocolate bars, what is the level L such that there...
(point) The distribution of actual weights of 8-oz chocolate bars produced by a certain machine is normal with mean 8.1 ounces and standard deviation 0.11 ounces Round your z-score to 2 decimal places. (a) What is the probability that the average weight of a bar in a Simple Random Sample (SRS) with five of nswer to at least 4 decimal places these chocolate bars is between 7.98 and 8.3 ounces? Give your a ANSWER: (b) For a SRS of five...
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