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uri:
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Stats help
Q.The observations 3.2,5.8,7.9 and 4.5 have frequencies x2,x3,and x+6 respectively with unknown value of x.If the mean of the …
 updated one year ago
 43 replies
 8 Medals
Mathematics

uri:
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Stats help:
Q.The mean of 12 observations is 3704.One more observation is added and the mean becomes 37.5.Find the value of new observation.
 updated one year ago
 67 replies
 3 Medals
Mathematics

uri:
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Q.14 Average rainfall of a certain city from Friday to Wednesday is 0.3.Due to heavy rainfall on Thursday,the average of the we…
 updated one year ago
 40 replies
 2 Medals
Mathematics

uri:
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Q.In a family there are 5 earning members.The average of yearly earnings per earning person is Rs.40,000.The average earnings o…
 updated one year ago
 11 replies
 2 Medals
Mathematics

uri:
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It’s been a while
Since we have met,
But this friendship,
…
 updated 2 months ago
 37 replies
 30 Medals
Mathematics

uri:
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Happy Independence Day Pakistan ♥
 updated one year ago
 10 replies
 7 Medals
Mathematics

uri:
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Eid Mubarak to all Muslims :3.Bring on the Eid festivities ♥
 updated one year ago
 20 replies
 8 Medals
Mathematics

uri:
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Congratulations @thomaster <3..You're a mod now ha!
 updated one year ago
 13 replies
 7 Medals
Mathematics

uri:
Group Title
John is making himself a lunch. He has three different soups to choose from, four kinds of soda, and three different kinds of fruit. How man…
 updated one year ago
 26 replies
 5 Medals
Mathematics

uri:
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Everyone wishh @karatechopper it's her 2nd OpenStudy birthdayy :D ♥ Enjoyy Chikuu!
 updated one year ago
 29 replies
 7 Medals
Mathematics

uri:
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Everybody wish @Ryaan It's his Birthday ♥
 updated one year ago
 31 replies
 10 Medals
Mathematics

uri:
Group Title
Stats help
Q.From five boys & 4 girls a committe of 5 is to be formed.In how many ways can this be done to include atleast one girl.
 updated one year ago
 73 replies
 6 Medals
Mathematics

uri:
Group Title
Stats help
Q.If the probabilities are 0.20,0.15 and 0.03 that a student will get a failing grade in chemistry and english or in both,what i…
 updated one year ago
 43 replies
 4 Medals
Mathematics

uri:
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Stats help.
Q.A bag contains balls,numbered from 1 to 11.Two balls are drawn without replacement.What is the probability that both will be …
 updated one year ago
 20 replies
 3 Medals
Mathematics

uri:
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A card is drawn from a well shuffled pack of cards.Then a second card is drawn.Find the probability that both are spades if fir…
 updated one year ago
 23 replies
 5 Medals
Mathematics

uri:
Group Title
Hey Everyone,Wish @terenzreignz his 17th Birthday.It's exactly 12:00 am where he lives and 7.7.2013,So yeah.
Teejay you're awesome and my b…
 updated one year ago
 42 replies
 6 Medals
Mathematics

uri:
Group Title
Stats :
In the population of adults the proportions of people in various marital status are :
Single(Forever alone) =35%,Married =60%,Divour…
 updated one year ago
 15 replies
 2 Medals
Mathematics

uri:
Group Title
Stats :
A bag contains 25 balls marked 1 to 25.One ball is drawn at random. What is the probability that it is marked with a number which is…
 updated one year ago
 19 replies
 3 Medals
Mathematics

uri:
Group Title
Stats :
From a deck of 52 cards,a card is drawn at random.Find the probability that it is:
…
 updated one year ago
 78 replies
 5 Medals
Mathematics

uri:
Group Title
Find the arrangements that can be made out of the letters of the words:
1)COMMERCE 2)STATISTICS
 updated one year ago
 29 replies
 3 Medals
Mathematics

uri:
Group Title
Find the arrangements that can be made out of the letters of the words
1)COMMERCE 2)STATISTICS
 updated one year ago
 14 replies
 3 Medals
Mathematics

uri:
Group Title
How many 5 digits numbers are possible from the digits 0,1,2.....7 if each digit is used only once?
 updated one year ago
 84 replies
 4 Medals
Mathematics

uri:
Group Title
A student has 6 books to arrange on a shelf.In how many ways it is possible to arrange these 6 books.
 updated one year ago
 6 replies
 2 Medals
Mathematics

uri:
Group Title
Q In how many ways can 5 people be lined up to get on a bus..?
 updated one year ago
 27 replies
 1 Medal
Mathematics

uri:
Group Title
How many words are possible using the letters in the word *APPLE*.
a)the letters may not be repeated.
b)the letters may be repeated.
 updated one year ago
 130 replies
 6 Medals
Mathematics

uri:
Group Title
A bag contains 6 white and 8 black balls.If 4 balls are drawn.What is the probability that:
a)All are black
b)2 are white and 2 are black
…
 updated one year ago
 22 replies
 4 Medals
Mathematics

uri:
Group Title
A bag contains 6 white and 8 black balls.If 4 balls are drawn.What is the probability that:
a)All are black
b)2 are white and 2 are black
 updated one year ago
 47 replies
 3 Medals
Mathematics

uri:
Group Title
How many different committies of 3 men and 4 girls can be formed from 8 men and 6 girls.
 updated one year ago
 40 replies
 5 Medals
Mathematics

uri:
Group Title
In how many ways can 5 people be seated on a sofa,If there are only 3 seats available.
 updated one year ago
 37 replies
 3 Medals
Mathematics

uri:
Group Title
Evaluate :^7C3
 updated one year ago
 35 replies
 3 Medals
Mathematics
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