Assuming that the 8 bridges are closed independently find, Ask an Expert

Statistics

The inhabitants of the beautiful and ancient canal city of Pentapolis live on 5 islands separated from each other by water. Bridges cross from one island to another as shown. On any day, a bridge can be closed, with probability p, for restoration work. Assuming that the 8 bridges are closed independently, find the mean and variance of the number of islands which are completely cut off because of restoration work.

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9113444

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

Sixty-seven percent of adults have looked at their credit

Sixty-seven percent of adults have looked at their credit score in the past six months. If you select 31 customers, what is the probability that at least 20 of them have looked at their score in the past six months?

A banks loan officer rates applicants for credit the

A banks loan officer rates applicants for credit. The ratings are normally distributed with a mean of 200 and a standard deviation of 50. If an applicant is randomly selected, find the probability of a rating that is bet ...

Pete pablo has 20000 to invest he is very optimistic about

Pete Pablo has $20000 to invest. He is very optimistic about the prospects of two companies, 919 Brands and Diaries.com. However, Pete has a very pessimistic view of one company, a financial institution known as Star Ban ...

Two candidates face each other in an election the

Two candidates face each other in an election. The Democratic candidate is supported by 58% of the population, and the Republican candidate is supported by 42%. In other words, if you randomly chose a voter and asked the ...

A travel analyst claims that the mean room rates at a

A travel analyst claims that the mean room rates at a three-star hotel in Chicago is greater than $152. In a random sample of 36 three-star hotel rooms in Chicago, the mean room rate is $165 with a standard deviation of ...

Michael invested 1000 in large us stocks at the beginning

Michael invested $1,000 in large U.S. stocks at the beginning of 2012. This investment earned 17.90 percent in 2012, 32.00 percent in 2013, 13.50 percent in 2014, and 3.00 percent in 2015. What return did he earn in the ...

Loking for guidancea distribution of exam scores has mu

Looking for guidance: A distribution of exam scores has μ = 90 and σ = 10. In this distribution, Sharon's score is 9 points above the mean, Jill has a z-score of +1.20, Steve's score is ½ standard deviation above the mea ...

When alice spends the day with the babysitter there is a 05

When Alice spends the day with the babysitter, there is a 0.5 chance she turns on the TV and watches a show. Her little sister Betty cannot turn on the TV by herself. But once the TV is on, Betty watches with probability ...

A researcher records the following number of birdcalls made

A researcher records the following number of birdcalls made during an experimental session with robins: 8.4 0.9 (M SD). Assuming these data are normally distributed, what is the probability that robins made more than 11 ...

Let x be a continuous random variable suppose that we know

Let X be a continuous random variable. Suppose that we know that Pr(X 5), and how do you know? (Hint: X is not necessarily normally distributed, but you can still consider how much area is under the curve, no matter the ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert