subject
Mathematics, 27.06.2019 08:30 makinzy03

The time it takes a mechanic to change the oil in a car is exponentially distributed with a mean of 5 minutes. a. what is the probability that it will take a mechanic less than 6 minutes to change the oil? b. what is the probability that it will take a mechanic between 3 and 5 minutes to change the oil? c. what is the probability that it will take a mechanic exactly 5 minutes to change the oil? d. what is the probability that the mechanic will change the oils of two cars during 10 minutes? e. that is the probability that the mechanic will change the oils of four cars during 20 minutes?

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 20.06.2019 18:04
Super ultra mega important if you can answer this correctly i will give you 100 points but if you don't answer it correctly you'll get a big report. so stay aware and have a nice day!
Answers: 1
question
Mathematics, 21.06.2019 20:00
What is the value of f(x) = 2.2 for f(-2)?
Answers: 2
question
Mathematics, 21.06.2019 23:50
The functions f(x) and g(x) are shown in the graph f(x)=x^2 what is g(x) ?
Answers: 2
question
Mathematics, 22.06.2019 00:00
Me with this assignment ! i only partially understand, so explain. also it's a work sample. at the championship bike race, steve and paula were fighting for first place. steve was 175 feet ahead of paula and had only 300 feet left to go. he was very tired and was going only 9 feet per second. paula was desperate to catch up and was going 15 feet per second. who won the bike race and by how far did she/he win?
Answers: 1
You know the right answer?
The time it takes a mechanic to change the oil in a car is exponentially distributed with a mean of...
Questions
question
Biology, 20.09.2020 07:01
question
Mathematics, 20.09.2020 07:01
question
Arts, 20.09.2020 07:01
Questions on the website: 13722360