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Q7.The time it takes a worker on an assembly line to complete a task is exponentially...
BONUS The time it takes a worker on an assembly line to complete a task is...
BONUS The time it takes a worker on an assembly line to complete a task is exponentially distributed with a mean of 7.8 minutes. What is the probability that it will take a worker less than 5 minutes to complete the task? What is the probability that it will take a worker between 4 and 11 minutes to complete the task? What is the probability that it will take a worker greater than 7.5 minutes to complete the task? a....
The length of time to complete a door assembly on an automobile factory assembly line is...
The length of time to complete a door assembly on an automobile factory assembly line is normally distributed with mean μ = 6.7 minutes and standard deviation σ = 2.2 minutes. What is the probability that one door takes less than 6 minutes to assemble? A sample of 2000 is taken, what is the mean value for this sampling distribution of sample means? A sample of size 400 is taken, what is the standard error of this sampling distribution of...
Four people working independently on an assembly line all perform the same task. The time (in...
Four people working independently on an assembly line all perform the same task. The time (in minutes) to complete this task for person i, for i=1,2,3,4, has a uniform distribution on the interval [0, i]. Suppose each person begins the task at the same time. a) What is the probability that person 2 takes less than 90 seconds to complete the task? b) What is the average completion time for each person? c) What is the probability that all four...
Two turtles are racing. The length of time that turtle A takes is expo 2 exponentially...
Two turtles are racing. The length of time that turtle A takes is expo 2 exponentially distributed with mean 5 minutes. The length that turtle B take is also exponentially distributed but with mean 7 minutes. Assume tha their times are independent. (a) What is the probability that A wins? (b) What is the probability that the winner takes longer than 6 minutes (c) What is the expected time of the winner? (d) What is the probability of a tie?
The length of time to complete a door assembly on an automobile factory assembly line is...
The length of time to complete a door assembly on an automobile factory assembly line is normally distributed with mean m = 6.3 minutes and standard deviation s = 2.2 minutes. For a door selected at random, what is the probability that the assembly-line time will be between 6 and 8 minutes? Group of answer choices A) 0.1 B) 0.21 C) 0.334 D) 0.67
Suppose a worker needs to process 200 items. The time to process each item is exponentially...
Suppose a worker needs to process 200 items. The time to process each item is exponentially distributed with a mean of 1 minutes, and the processing times are independent. Approximately, what is the probability that the worker finishes in less than 5 hours?
The length of time to complete a door assembly on an automobile factory assembly line is...
The length of time to complete a door assembly on an automobile factory assembly line is normally distributed with mean μ = 6.7 minutes and standard deviation σ = 2.2 minutes. For a door selected at random, what is the probability that the assembly-line time will be 5 minutes or less (round to the nearest ten-thousandths, 0.XXXX)?
The time it takes a mechanic to change the oil in a car is exponentially distributed...
The time it takes a mechanic to change the oil in a car is exponentially distributed with a mean of 5 minutes. What is the probability that it will take a mechanic up to 6 minutes to change the oil?
3. The amount of time it takes to complete a task is normally distributed with a...
3. The amount of time it takes to complete a task is normally distributed with a mean of 34 minutes and a standard deviation of 4 minutes. If I take a sample of 24 people how many of those 24 people on average will take over 37 minutes to do the task?
A newly employed worker takes 15 minutes to complete the first task while she takes 12.75...
A newly employed worker takes 15 minutes to complete the first task while she takes 12.75 minutes to complete the second task. How long the worker would take to complete the tenth task?
BONUS The time it takes a worker on an assembly line to complete a task is exponentially distributed with a mean of 7.8 minutes. What is the probability that it will take a worker less than 5 minutes to complete the task? What is the probability that it will take a worker between 4 and 11 minutes to complete the task? What is the probability that it will take a worker greater than 7.5 minutes to complete the task? a....
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