# 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

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

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

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

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

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

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

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

9. ## math

what is the value of the 8 in 387?

10. ## HINDS CC

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

11. ## maths

what fraction of metre is 60cm and 75cm?

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

13. ## math

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

14. ## science

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

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.

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

17. ## geometry

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

18. ## math

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

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?

21. ## math

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

22. ## geometry

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

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?

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

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

26. ## science

write a vocabulary glossary linked to sound.

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)

28. ## english

How to explain the PEE structure?

29. ## science

how much energy and joules are in bag of crisps?

30. ## maths

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

31. ## maths

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

32. ## maths

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

33. ## Science

How to complete SWOT analysis of a sea turtles?

34. ## maths

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

36. ## math

How many quarters are there in 0.5+2?

37. ## math

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

38. ## math

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

39. ## math

make one hundred and forty 6 times as large.

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

41. ## english

How to write a poem about The seaside?

42. ## maths

what is the product of three,four and five?

43. ## english

How humans impact the coast?

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.

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

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

48. ## english

How to write a Solar System poem?

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?

50. ## spanish

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

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