The operation manager at a tire manufacturing company believes that the mean mileage of a tire...
The operation manager at a tire manufacturing company believes that the mean mileage of a tire is 37,014 miles, with a standard deviation of of4617 miles. What is the probability that the sample mean would be less than 36,435 miles in a sample of 56 tires if the manager is correct? Round your answer to four decimal places.
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The operation manager at a tire manufacturing company believes
that the mean mileage of a tire...
the operation manager at the tire manufacturing company believes that the mean mileage of a tire...
the operation manager at the tire manufacturing company believes that the mean mileage of a tire is 47,225 miles, with a standard deviation of 3178. what is the probability that the sample mean would be less than 47,050 miles in a sample of 208 tires if the manager is correct? ( round your answer 4 decimal places and show work)
The operation manager at a tire manufacturing company believes that the mean mileage of a tire...
The operation manager at a tire manufacturing company believes that the mean mileage of a tire is 49,36049,360 miles, with a variance of 6,568,9696,568,969. What is the probability that the sample mean would differ from the population mean by less than 231231 miles in a sample of 247247 tires if the manager is correct? Round your answer to four decimal places. CAN YOU PLEASE SHOW ME HOW TO DO THIS IN CALCULATOR TI-83 PLUS SPECFICALLY
The operation manager at a tire manufacturing company believes that tge mean mileage of a tire...
The operation manager at a tire manufacturing company believes that tge mean mileage of a tire is 44,111 miles, with a variance of 5,943,844. What is the probability that tge sample mean would be greater than 44,257 miles in a sample of 80 tires if the manager is correct?
The quality control manager at a computer manufacturing company believes that the mean life of a...
The quality control manager at a computer manufacturing company believes that the mean life of a computer is 120 months, with a standard deviation of 10 months. If he is correct, what is the probability that the mean of a sample of 90 computers would be less than 117.13 months? Round your answer to four decimal places.
The quality control manager at a computer manufacturing company believes that the mean life of a...
The quality control manager at a computer manufacturing company believes that the mean life of a computer is 83 months, with a standard deviation of 99 months. If he is correct, what is the probability that the mean of a sample of 78 computers would be less than 82.06 months? Round your answer to four decimal places.
The quality control manager at a computer manufacturing company believes that the mean life of a...
The quality control manager at a computer manufacturing company believes that the mean life of a computer is 117 months with a standard deviation of eight months if he is correct what is the probability that the mean of a sample of 52 computers would be less than 115. 46 months round your answer to four decimal places
The quality control manager at a computer manufacturing company believes that the mean life of a...
The quality control manager at a computer manufacturing company believes that the mean life of a computer is 105 months, with a variance of 81 If he is correct, what is the probability that the mean of a sample of 70 computers would differ from the population mean by less than 1.9 months? Round your answer to four decimal places.
The mileage that car owners get with a certain kind of radial tire is normally distributed...
The mileage that car owners get with a certain kind of radial tire is normally distributed with a mean of 70,000 miles. If 97.725% of these tires lasted less than 78,000 miles, please calculate the standard deviation for the tire mileage. [Note: Please round your result for the standard deviation to the nearest integer.] [2 points] What is the probability a randomly selected tire of this type will last 65,000 miles? Please justify your answer. [1 point] Calculate the probability...
The mean lifetime of a tire is 37 months with a standard deviation of 8 months....
The mean lifetime of a tire is 37 months with a standard deviation of 8 months. If 127 tires are sampled, what is the probability that the mean of the sample would be less than 38.85 months? Round your answer to four decimal places.
The mean lifetime of a tire is 43 months with a standard deviation of 10 months....
The mean lifetime of a tire is 43 months with a standard deviation of 10 months. If 105 tires are sampled, what is the probability that the mean of the sample would differ from the population mean by less than 0.41 months? Round your answer to four decimal places.
The quality control manager at a computer manufacturing company believes that the mean life of a computer is 105 months, with a variance of 81 If he is correct, what is the probability that the mean of a sample of 70 computers would differ from the population mean by less than 1.9 months? Round your answer to four decimal places.
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