subject
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 $4$?

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 20:00
Choose the linear inequality that describes the graph. the gray area represents the shaded region. a: y ≤ –4x – 2 b: y > –4x – 2 c: y ≥ –4x – 2 d: y < 4x – 2
Answers: 2
question
Mathematics, 21.06.2019 22:00
Describe how you can act financially responsible.
Answers: 1
question
Mathematics, 22.06.2019 00:30
Which ordered pair is a solution of the equation? 2x+3y=10
Answers: 1
question
Mathematics, 22.06.2019 03:30
Ashop has a sale that offers 20% off all prices. on the final day they reduce all the sale prices by 25% linz buys a ratio on the day. work out the overall percentage reduction on the price of the ratio
Answers: 2
You know the right answer?
A mosquito is walking at random on the nonnegative number line. She starts at $1$. When she is at $0...
Questions
question
Mathematics, 27.01.2022 14:00
question
Mathematics, 27.01.2022 14:00
question
Biology, 27.01.2022 14:00
question
Mathematics, 27.01.2022 14:00
Questions on the website: 13722359