subject
Mathematics, 06.04.2021 02:20 awgggg

Steve loves to watch sailing regattas over the summer (a regatta is a sporting event consisting of a series of boat races). The regatta he is watching has 10 sailboats in the race. Suppose that each of the sailboats start racing at the same time and the time it takes each to finish is an independent exponential random variable with a mean of 30 minutes. Steve will stop watching after the first 5 sailboats cross the finish line. If T is the amount of time Steve is watching the race. (a) Find E[T].
(b) Find Var(T).

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 19:30
:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?
Answers: 2
question
Mathematics, 21.06.2019 20:00
You are shooting hoops after school and make 152 out of a total of 200. what percent of shots did you make? what percent did you miss? show proportion(s).
Answers: 1
question
Mathematics, 21.06.2019 22:30
In order to be invited to tutoring or extension activities a students performance 20 point higher or lower than average for the
Answers: 1
question
Mathematics, 22.06.2019 02:00
Robert plans to make a box-and-whisker plot of the following set of data. 27, 14, 46, 38, 32, 18, 21 find the lower quartile, the median, and the upper quartile of the set? lower quartile: 19.5; median: 29.5; upper quartile: 42 lower quartile: 14; median: 27; upper quartile: 46 lower quartile: 18; median: 27; upper quartile: 38 lower quartile: 16; median: 29.5; upper quartile: 42
Answers: 3
You know the right answer?
Steve loves to watch sailing regattas over the summer (a regatta is a sporting event consisting of a...
Questions
question
Mathematics, 21.11.2019 07:31
question
History, 21.11.2019 07:31
question
Mathematics, 21.11.2019 07:31
Questions on the website: 13722363