kina

Most popular questions and responses by kina
  1. Probability

    1. We have a bag that contains n red balls and n blue balls. At each of 2n rounds we remove one of the balls from the bag randomly, and place it in one of available n bins. At each round, each one of the balls that remain in the bag is equally likely to be

    asked on June 14, 2019
  2. Probability

    1. A box contains 20 different balls numbered from 1 to 20 (different balls have different numbers). At each step, we select a ball uniformly at random, record the number on it, and put it back in the box. This experiment is repeated 10 times. Find the

    asked on June 14, 2019
  3. Probability

    Amy immigrated to a new city, and would like to make friends with her new neighbours. On any particular day i , she feels shy with probability 1−p ( 0

    asked on June 14, 2019
  4. Probability

    Let A be an event, and let IA be the associated indicator random variable: IA(ω)=1 if ω∈A , and IA(ω)=0 if ω∉A . Similarly, let IB be the indicator of another event, B . Suppose that, P(A)=p , P(B)=q , and P(A∪B)=r . 1. Find E[(IA−IB)2] in

    asked on June 14, 2019
  5. Probability

    Consider an experiment in which a fair four-sided die (with faces labeled 0 , 1 , 2 , 3 ) is rolled once to determine how many times a six-sided die (with faces labeled 1 ,.., 6 ) is rolled. The die rolls are independent. Let X be the total number of times

    asked on June 14, 2019
  6. Probability

    Sophia is vacationing in Monte Carlo. On any given night, she takes X dollars to the casino and returns with Y dollars. The random variable X has the PDF shown in the figure. Conditional on X=x , the continuous random variable Y is uniformly distributed

    asked on June 22, 2019
  7. Chemistry

    Given N2(g) + 3H2 = 2NH3(g), which scenario will allow you to eventually reach an equillibrium mixture involving these chemicals? A. Place only H2 into a sealed vessel. B.Place only NH3 into a sealed vessel. C.Place only N2 into a sealed vessel. D.All of

    asked on October 15, 2012
  8. Probability

    A,B, and C defined on a common sample space, determine whether it is true or false. 1. Suppose that A,B , and C are pairwise independent. Then, A∩C is independent of B . 2. Suppose that A,B, and C are pairwise independent. Then, A,B, and C are

    asked on June 15, 2019
  9. math

    what is the value of the 8 in 387?

    asked on October 8, 2011
  10. HINDS CC

    HOW MANY GRAMS OF N2O ARE FORMED IF 0.46 OF NH4NO3 IS USED IN THE REACTION

    asked on February 9, 2012
  11. maths

    what fraction of metre is 60cm and 75cm?

    asked on November 13, 2013
  12. geography

    Hi, I desperately need state assistance in connection with the homework of my Son,-Complete a SWOT (Strengths, Weaknesses, Opportunities and Threats) analysis of sea turtles ..I obviously do not expect that someone will do it for him.The problem with the

    asked on January 29, 2014
  13. math

    the weight of 3 different pencils is 50g,30g and 40g.Work out their average weight.

    asked on October 16, 2013
  14. science

    How to make a food web with at least 4 food chains showing how the eagles depends on other animals?

    asked on June 28, 2013
  15. english

    Make up an alliterative headline for each of these newspaper reports.a)A man is attacked by a shark..b)The local library burns down..c)A cat is rescued from a tree by the fire brigade.

    asked on May 8, 2013
  16. math

    Write in words the number that is a hundred and fifty times the size of 10..I think this is one hundred and sixty

    asked on September 25, 2013
  17. geometry

    What do you notice about lines of symetry in regular polygons?

    asked on May 16, 2013
  18. math

    What do you notice about lines of symetry in regular polygons?

    asked on May 15, 2013
  19. english

    Write a poem about Christiano Ronaldo...Please help me !!!

    asked on March 15, 2013
  20. history

    The entrance to many Egyptian tombs was inscribed with a course or warning,designed to protect the tomb from raiders who might want to steal the treasures within.What would you write to warn off tomb raiders?

    asked on October 15, 2011
  21. math

    A whole number which will divide exactly into another whole number.

    asked on June 5, 2013
  22. geometry

    The number of lines of symmetry of any regular polygon is equal to the number of sides. Is that correct?

    asked on May 17, 2013
  23. english

    A lorry has shed its load of fruit on the motorway.The traffic is a standstill.No one has been hurt. How to write a headline for this report?

    asked on May 8, 2013
  24. math

    Your task is to chose at least ONE of the operations(add,substract,multiply or divide)and design a poster that tells someone how to do a calculation in your chosen operation.Do not just do a poster showing a substraction,for example,you need to explain

    asked on November 22, 2012
  25. english

    Rewrite this passage using the corect punctuation..one suuny day mrs brown decided to take her family for a picnic in the new forest she made a big pile of sandwiches and put them in a plastic box colin packed some cans of coca cola for the children to

    asked on November 8, 2012
  26. science

    write a vocabulary glossary linked to sound.

    asked on March 4, 2012
  27. Science (galaxies and universe)

    Studying distant galaxies is described as looking back into the past. What does this mean? (use terms light year, distance, and time in your answer)

    asked on November 13, 2016
  28. english

    How to explain the PEE structure?

    asked on September 25, 2014
  29. science

    how much energy and joules are in bag of crisps?

    asked on September 24, 2014
  30. maths

    what number is fifty- nine more than fifty -seven..I think is 116.

    asked on January 22, 2014
  31. maths

    How many tenths is in 1.9? I think is 19 tenths.

    asked on January 22, 2014
  32. maths

    what fraction of 64 seconds is 40 seconds?what fraction of 64 seconds is 56 seconds?

    asked on January 22, 2014
  33. Science

    How to complete SWOT analysis of a sea turtles?

    asked on January 9, 2014
  34. maths

    0.6+3.9=? quarters I think is 18 but I m not sure..I m only 10 years old.

    asked on January 8, 2014
  35. English

    Describe these words using only Three words:radiator,stairs,fire,torch,teacher,school,rabbit,comb,radio,football,camera,toaster...

    asked on November 27, 2013
  36. math

    How many quarters are there in 0.5+2?

    asked on November 13, 2013
  37. math

    An equailateral triange has a side of 7cm.What is the total distance in centimetres twice round the perimeter of the shape?

    asked on November 13, 2013
  38. math

    if a 1/2 kilogram of beef costs £1.60 work out the coast of 3/4 of a kilogram.

    asked on October 16, 2013
  39. math

    make one hundred and forty 6 times as large.

    asked on October 16, 2013
  40. English

    My Son"s acrostic poem about SEASIDE Summer time is fun Everybody are making sandcastles A lovely picnic is coming Sand is really really hot I saw a ship in the distance Diving is very exiting Exploring for shells in the rock pool.. Damian is 10years

    asked on October 5, 2013
  41. english

    How to write a poem about The seaside?

    asked on October 4, 2013
  42. maths

    what is the product of three,four and five?

    asked on September 25, 2013
  43. english

    How humans impact the coast?

    asked on September 19, 2013
  44. science

    A detailed description on the environment the eagle live in:this should include the temperature,vegetation,source of water and climate changes in the habitat.

    asked on July 12, 2013
  45. english

    write a newspaper report about ..A lorry has shed load of fruit on the motorway.The traffic is standstill.... i wrote this....................................A lorry has shed its load of fruits while taking action to avoid another car on the M11 motorway

    asked on May 11, 2013
  46. english

    Could somebody check this for me please? My name is Damian Donarski I'm ten years old. I live in Bournemouth now,but I was born In Poland. I live here with my family, which has three members my parents and me. I like playing football with my friends. My

    asked on May 5, 2013
  47. english

    Write some paragraphs about your own family.

    asked on May 1, 2013
  48. english

    How to write a Solar System poem?

    asked on November 26, 2012
  49. History

    The entrance to many Egyptian tombs was inscribed with a cource of warning,designed to protect the tomb from raiders who might want to steal the treasures,within.What would you write to warn off tomb raiders?

    asked on October 9, 2011
  50. spanish

    How do you say when you want just call me in spanish?,, is cuando tu quierez riqht?

    asked on March 23, 2010
  1. physics

    PART A - 63.7 minutes PART B- 4.71 mph PART C- 52.2 PART D- 5.75

    posted on February 1, 2016
  2. english

    I m sorry for that..Thank you for yours help.

    posted on September 25, 2014
  3. english

    POINT,EVIDENCE AND EXPLANATION.

    posted on September 25, 2014
  4. Science

    Thank you very much..This is my Son homework ..It is very difficult because he is only 10 years old..

    posted on January 9, 2014
  5. maths

    Thank you very much!

    posted on January 8, 2014
  6. math

    Thank You very much.

    posted on October 16, 2013
  7. math

    it is 840.

    posted on October 16, 2013
  8. math

    it is 40g..

    posted on October 16, 2013
  9. English

    Thank you very much for yours help.

    posted on October 5, 2013
  10. english

    My Son"s acrostic poem about SEASIDE Summer time is fun Everybody are making sandcastles A lovely picnic is coming Sand is really really hot I saw a ship in the distance Diving is very exiting Exploring for shells in the rock pool Damian is 10years old,and

    posted on October 5, 2013
  11. maths

    one thousand five houndred

    posted on September 25, 2013
  12. maths

    1500..I know now..thank you.

    posted on September 25, 2013
  13. maths

    Write in words the number that is a hundred and fifty times the size of 10..I think this is one hundred and sixty

    posted on September 25, 2013
  14. math

    Its all what I got,and they ask me to put correct word to this definition,so I m thinking that is mean

    posted on June 5, 2013
  15. math

    I v got some different questions,would you be so kind and check that for me?To find this you must have a set of results.You then need to find the total of the results and divide it by the number of results you have,e.g.Here are set of test marks

    posted on June 5, 2013
  16. math

    I need to write correct word to the definition..I m thinking abouth factors but I m not sure?

    posted on June 5, 2013
  17. geometry

    The number of lines of symmetry of any regular polygon is equal to the number of sides.

    posted on May 17, 2013
  18. math

    The number of lines of symmetry of any regular polygon is equal to the number of sides.

    posted on May 17, 2013
  19. english

    Thank you very much from Damian Donarski.

    posted on May 11, 2013
  20. english

    What are you thinking about changing the end of this story,and how?

    posted on May 11, 2013
  21. english

    for a I v done..Sea Shore Shark Shock for b)Blimey!Burning Book Blaze for c)Fearless Fireman Find Feline in Foliage.

    posted on May 8, 2013
  22. english

    Thank you very much from Damian Donarski

    posted on May 5, 2013
  23. english

    My name is Damian Donarski I'm ten years old. I live in Bournemouth now,but I was born In Poland. I live here with my family, which has three members my parents and me. I like playing football with my friends. My mum is 37 years old,she is tall and has

    posted on May 5, 2013
  24. english

    Could you check this for me please?

    posted on May 5, 2013
  25. english

    -My name is Damian Donarski I'm ten years old. I live in Bournemouth now,but I was born In Poland. I live here with my parents, which has three members my parents and me. I like playing football with my friends. -My mum is 37 years old,she is tall and has

    posted on May 5, 2013
  26. english

    I m from Poland and I m not sure how to write this propely.

    posted on May 1, 2013
  27. math

    I m thinking about multiply and divide.

    posted on November 22, 2012
  28. history

    Yes..

    posted on October 15, 2011