Question: hw help please show work for each part and i will upvote thank you so much please show me formulas as well thank you 7.

hw help please show work for each part and i will upvote thank you so much please show me formulas as well thank you

7. The process time of oil change in a car follows an exponential distribution with a mean of 10 minutes. (Keep three decimals for all calculation results in this question) a. What is the probability that a process of oil change takes less than 4 minutes? (5 points) b. What is the probability that a process of oil change takes at least 8 minutes? (5 points) c. What is the probability that a process of oil change takes between 4 and 8 minutes? (5 points)

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