What is the probability that it will take a mechanic less than 6 minutes to change the oil? Your answer should be in percent (between 0 and 100) and keep two digits after the period. So, if your answer is 13%, enter 13.00. Your Answer: Answer
What is the probability that it will take a mechanic less than 6 minutes to change the oil? Your answer should be in percent (between 0 and 100) and keep two digits after the period. So, if your answer is 13%, enter 13.00. Your Answer: Answer
What is the probability that it will take a mechanic less than 6 minutes to change the oil? Your answer should be in percent (between 0 and 100) and keep two digits after the period. So, if your answer is 13%, enter 13.00. Your Answer: Answer
The time it takes a mechanic to change the oil in a car is exponentially distributed with a mean of 5 minutes.
Transcribed Image Text:What is the probability that it will take a mechanic less than 6 minutes to change the
oil? Your answer should be in percent (between 0 and 100) and keep two digits after
the period. So, if your answer is 13%, enter 13.00.
Your Answer:
Answer
Definition Definition Measure of central tendency that is the average of a given data set. The mean value is evaluated as the quotient of the sum of all observations by the sample size. The mean, in contrast to a median, is affected by extreme values. Very large or very small values can distract the mean from the center of the data. Arithmetic mean: The most common type of mean is the arithmetic mean. It is evaluated using the formula: μ = 1 N ∑ i = 1 N x i Other types of means are the geometric mean, logarithmic mean, and harmonic mean. Geometric mean: The nth root of the product of n observations from a data set is defined as the geometric mean of the set: G = x 1 x 2 ... x n n Logarithmic mean: The difference of the natural logarithms of the two numbers, divided by the difference between the numbers is the logarithmic mean of the two numbers. The logarithmic mean is used particularly in heat transfer and mass transfer. ln x 2 − ln x 1 x 2 − x 1 Harmonic mean: The inverse of the arithmetic mean of the inverses of all the numbers in a data set is the harmonic mean of the data. 1 1 x 1 + 1 x 2 + ...
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