![hschuman01osrzvf](/avatars/12872.jpg)
hschuman01osrzvf
03.08.2019 •
Mathematics
The probability that a house in an urban area will develop a leak is 55%. if 2020 houses are randomly selected, what is the probability that none of the houses will develop a leak? round to the nearest thousandth.
Solved
Show answers
More tips
- G Goods and services Which TV is better - LCD or Plasma?...
- S Sport How to Learn to Pull Up on Monkey Bars?...
- L Leisure and Entertainment Scrapbooking: What is it and Why is it Becoming More Popular?...
- C Computers and Internet Where did torrents.ru move to?...
- B Business and Finance Understanding Cash Flow: What It Is and How It Works...
- C Computers and Internet What Are Peers and Seeds in Torrenting?...
- H Health and Medicine 10 Simple Techniques on How to Boost Your Mood...
- G Goods and services How to Choose the Right High Chair for Your Baby?...
- S Style and Beauty Learn how to tie a keffiyeh on your head like a pro...
Answers on questions: Mathematics
- M Mathematics To construct a line parallel to a given line m to a point not on m, you need to know how to ? a. right b. acute c. congruent d. obtuse...
- M Mathematics GUYS PLS HELPP grade 6 is so hard :( whats 1-0??? i think 1 right?...HELP...
- M Mathematics 60% of 150 is what number...
- M Mathematics V+1/2=-5/8 solve for v...
- M Mathematics What is 3 divided by 743?...
- M Mathematics What is 103/143 as a decimal...
- M Mathematics Find the difference 726-477=...
- M Mathematics Skin color in a certain species of fish is inherited by a single gene with four different alleles. how many different types of gametes would be possible in this...
- M Mathematics Trilateration with noise! in this question, we will explore how various types of noise affect the quality of triangulating a point on the 2d plane to see when trilateration...
- M Mathematics Aship is sailing due north. at a certain point, the bearing of a lighthouse 3.7 km away is n37.6degreese. later on, the captain notices that the bearing of the lighthouse...
Ответ:
Use binomial distribution, since probability of developing a leak, p=0.55 is assumed constant, and
n=20, x=0
and assuming leaks are developed independently between houses,
P(X=x)
=C(n,0)p^x* (1-p)^(n-x)
=C(20,0)0.55^0 * (0.45^20)
=1*1*0.45^20
=1.159*10^(-7)
=0.000
Ответ:
answer:
Could you be more specific please?Step-by-step explanation: