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A manufacturer of electroluminescent lamps knows that the amount of luminescent ink deposited on one of...
In the manufacture of electroluminescent lamps, Several Layers of ink are deposited Onto a plastic Substrate . The...
In the manufacture of electroluminescent lamps, Several Layers of ink are deposited Onto a plastic Substrate . The thickness of these Layers is critical if Specification regarding the Final Color and intensity of Light are to be met. Let x and y denote the thickness of two different layers of ink . It is known that a is normally distributed with a mean 01 mm and Standard deviation of 0.00031 mm, and y is normally distributed with a mean of...
In the manufacture of electroluminescent lamps, several different layers of ink are deposited onto a plastic...
In the manufacture of electroluminescent lamps, several different layers of ink are deposited onto a plastic substrate. The thickness of these layers is critical if specifications regarding the final color and intensity of light are to be met. Let X and Y denote the thickness of two different layers of ink. It is known that X is normally distributed with a mean of 0.1 millimeter and a standard deviation of 0.00031 millimeter, and Y is normally distributed with a mean...
1) a) A manufacturer knows that their items have a normally distributed length, with a mean...
1) a) A manufacturer knows that their items have a normally distributed length, with a mean of 13.4 inches, and standard deviation of 2 inches. If one item is chosen at random, what is the probability that it is less than 7.5 inches long? b) A manufacturer knows that their items lifespans are normally distributed with mean = 14.2 and standard deviation = 3.9. What proportion of the items' lifespans will be longer than 25 years? c) A particular fruit's...
Question 3: a.) A manufacturer knows that their items have a normally distributed length, with a...
Question 3: a.) A manufacturer knows that their items have a normally distributed length, with a mean of 19.6 inches, and standard deviation of 2.4 inches. If 4 items are chosen at random, what is the probability that their mean length is less than 17.5 inches? b.) A manufacturer knows that their items have a normally distributed lifespan, with a mean of 7.5 years, and standard deviation of 0.7 years. If you randomly purchase 14 items, what is the probability...
4. A manufacturer knows that their items have a normally distributed lifespan, with a mean of...
4. A manufacturer knows that their items have a normally distributed lifespan, with a mean of 14.4 years, and standard deviation of 3.2 years. If you randomly purchase 21 items, what is the probability that their mean life will be longer than 15 years? (Give answer to 4 decimal places.) 5. A particular fruit's weights are normally distributed, with a mean of 704 grams and a standard deviation of 12 grams. If you pick 12 fruit at random, what is...
3) A car manufacturer knows that the service life (in months) of the emission sensors in...
3) A car manufacturer knows that the service life (in months) of the emission sensors in its cars is normally distributed with a mean of 72 and standard deviation of 9. (a) (5 points) What is the probability that the sensors will fail within 5 years in a randomly selected car?
After extensive product testing, a battery manufacturer knows that the mean lifetime of its heavy-duty battery...
After extensive product testing, a battery manufacturer knows that the mean lifetime of its heavy-duty battery is normally distributed with a mean of 45 months and a standard deviation of 10 months. (a) The manufacturer currently guarantees free replacement of any battery that fails within 36 months after purchase. What percentage of the batteries should the manufacturer expect to replace? Show your work. Express probabilities in terms of z scores. (b) If the manufacturer wants to replace 10% or fewer...
Question 11 A manufacturer knows that their items have a normally distributed length, with a mean...
Question 11 A manufacturer knows that their items have a normally distributed length, with a mean of 15.6 inches, and standard deviation of 4.7 inches. If 23 items are chosen at random, what is the probability that their mean length is less than 18.1 inches? Pa < 18.1) = Submit Question Question 12 BO A manufacturer knows that their items have a normally distributed lifespan, with a mean of 9.3 years, and standard deviation of 2.7 years. If you randomly...
In the manufacture of electroluminescent lamps, Several Layers of ink are deposited Onto a plastic Substrate . The thickness of these Layers is critical if Specification regarding the Final Color and intensity of Light are to be met. Let x and y denote the thickness of two different layers of ink . It is known that a is normally distributed with a mean 01 mm and Standard deviation of 0.00031 mm, and y is normally distributed with a mean of...
3) A car manufacturer knows that the service life (in months) of the emission sensors in its cars is normally distributed with a mean of 72 and standard deviation of 9. (a) (5 points) What is the probability that the sensors will fail within 5 years in a randomly selected car?
Question 11 A manufacturer knows that their items have a normally distributed length, with a mean of 15.6 inches, and standard deviation of 4.7 inches. If 23 items are chosen at random, what is the probability that their mean length is less than 18.1 inches? Pa < 18.1) = Submit Question Question 12 BO A manufacturer knows that their items have a normally distributed lifespan, with a mean of 9.3 years, and standard deviation of 2.7 years. If you randomly...
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