Mathematics, 02.09.2020 18:01, manou76
A mosquito is walking at random on the nonnegative number line. She starts at $1$. When she is at $0$, she always takes a step $1$ unit to the right, but, from any positive position on the line, she randomly moves left or right $1$ unit with equal probability. What is the expected number of times the mosquito will visit $0$ before the first time she visits $4$?
Answers: 3
Mathematics, 21.06.2019 20:00, genyjoannerubiera
The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?
Answers: 2
Mathematics, 21.06.2019 23:00, ronaldotheexplorer12
The ratio of the perimeters of two similar triangles is 4: 3. what are the areas of these triangles if the sum of their areas is 130cm2?
Answers: 3
A mosquito is walking at random on the nonnegative number line. She starts at $1$. When she is at $0...
Mathematics, 12.02.2021 23:40
Mathematics, 12.02.2021 23:40
Mathematics, 12.02.2021 23:40
Mathematics, 12.02.2021 23:40
English, 12.02.2021 23:40
Mathematics, 12.02.2021 23:40
Mathematics, 12.02.2021 23:40