Find probability that all five sprinklers will be activated

Assignment Help Basic Statistics
Reference no: EM13133252

Five sprinkler systems are installed in a laboratory. In the event of a fire the probability of each one working properly is 0.95. If a fire should occur what is the probability that

(i) all 5 sprinklers will be activated
(ii) 3 or more will be activated
(iii) none will be activated.

Reference no: EM13133252

Questions Cloud

Show a stem-and-leaf display : Drug Store News (September2002) provided data on annual pharmacy sales for the leading pharmacy retailers in the United States. Show a stem-and-leaf display.
Find the ph of the resulting solution : Given the pK for acetic acid is 4.76. Suppose that we dissolve a mole of this weak acid in 10L of water. Find the pH of the resulting solution.
Characteristic polynomial of identity operator-zero operator : Let V be an n-dimensional vector space over F. What is the characteristic polynomial of the Identity operator on V? What is the characteristic polynomial for the zero operator?
Problem related to adjusted gross income : The partnership made an ordinary cash distribution of $10,000 to Marcie, and paid guaranteed payments to partners Marcie, Alice, and Pat of $20,000 each ($60,000 total). How much will Marcie's adjusted gross income increase as a result of the abov..
Find probability that all five sprinklers will be activated : Five sprinkler systems are installed in a laboratory. In the event of a fire the probability of each one working properly is 0.95. If a fire should occur what is the probability thatall 5 sprinklers will be activated.
Partnership paid office expenses : Kaylyn is a 40% partner in the KKM Partnership. During the current year, KKM reported gross receipts of $160,000 and a charitable contribution of $10,000. The partnership paid office expenses of $100,000. In addition, KKM distributed $10,000 each ..
Explaining molecular forces : Desribing molecular forces of C5H6O, CH2=CH-CH=CH-CH=O, THREE double bonds. We are asked to describe the bond and angle terms of this structure.
What is barbara basis in the property for the sale : A gift tax of $2,800 was paid by the aunt. Barbara sold the stock in the following year for $29,000. What is Barbara’s basis in the property for the sale.
What controls must have been lacking at white electric : What the bookkeeper did was definitely unethical. But what if one of her grandchildren had been ill and needed an expensive operation? If this had been the case, would it have been ethical for her to take company funds to pay for the operation if ..

Reviews

Write a Review

Basic Statistics Questions & Answers

  What is the proportion of people that score at least 700

The average number of hours of sleep per night that a college freshman gets is 6.50 with a standard deviation of 1.80 hours.  If 35 college freshmen are randomly chosen find the probability that they average at least seven hours of sleep per night.

  Process standard deviation

The process standard deviation is .15, and the process control is set at plus or minus one standard deviation. Units with weights less than 9.85 or greater than 10.15 ounces will be classified as defects. Round your answer to four decimal places.

  Population amount of paint per can

Must you assume that the population amount of paint per can is normally distributed here? Explain

  Knowledge regarding hypothesis test

A consumer watchdog organization wants to see whether Bank N in the northern part of a state has a higher default rate than Bank S in the southern part of that same state.

  Expected number of persons in the sample

About 72% of dog owners buy holiday presents for their dogs. Suppose n = 4 dog owners are randomly selected. Find the expected number of persons, in the sample, who buy their dog holiday presents.

  Mean-variance and standard deviation of contract

What is the mean, variance & standard deviation of contract award amount (in millions of dollars)?

  Normal variable with mean

Given that x is a normal variable with mean u = 47 and standard deviation = 6.2, find:

  Chebyshev theorem-other statistic rules

Use Chebyshev's theorem to find what percent of the values will fall between 162 and 292 for a data set with a mean of 227 and standard deviation of 13.

  Testing statistical significance for sam sleep researcher

Sam Sleep researcher hypothesizes that people who are allowed to sleep for only four hours will score significantly lower than people who are allowed to sleep for eight hours on a management ability test.

  Explanation to confidence interval-sample size

Previous studies have indicated the standard deviation of annual earnings for college students is $850. How large a sample would need to be taken to estimate the mean for college students' annual earnings to within $200 with 99% confidence?

  Conduct a poll to discover the proportion

how many individuals will I need to sample if I want a 95% margin of error to be no more than 3%, I want to know if the results are significant at = 10%. With the information given.

  Advantages of non-parametric methods

Discuss the advantages of non-parametric methods. As an educator, how would they be useful to you? In what situations would you use them?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd