Maths Project

Made by Mohd Qasim and others help

Probability

ProbabilityHow likely something is going to happen?

Many events can’t be predicted with total certainty. The best we can say is how likely they are to happen, using the idea of Probability

Probability in general can be represented as:-No of ways it can happen

Probability of an even happening = --------------------------------------Total no of outcomes

Probability can be shown on a line as follows:

Impossible Unlikely Ever Chance Likely Certain

0 1

Probability is always between 0 & 1

Importance of probability

 

Mohd Qasim

Importance of probability

To understand efficient precautions, you first need to understand the idea of an expected

benefit.  This is not difficult since we actually use this idea all the time in our daily

lives.  Consider this example. You want two incompatible things:  you want to

go to law school in the Fall, and you also want to retire to the woods in the Fall and write your first novel and have it be a great success.  You

want to be a successful novelist much more than you want to graduate from law

school.  Your only problem is that you know you really have no literary talent at all, and that it is very unlikely that you would succeed in writing a successful novel; on the other hand, you have all the skills necessary to do well in law school,

and it is highly likely that you will not only graduate, but graduate with honors.  To make a

rational decision about whether to go to law school or try to write the novel, you would

USES OF PROBABLITY IN DAILY LIFE

WHILE CROSSING

ROAD

PROBABLITY TO PLAY POKER

PROBABLITY OF ROLLING DICE ,GETTING HEADS OR TAILS AND

SUN RISE AND SUN SET

birthday paradox formula;probability{some one sharing birthday with someone else}=1-365pr/365------------------------ rwhere r = no of people in a group=no . of people in a group .so if 50are there in a group:1-365Pr/365------------------- =970. 50

EXPERIMENTAL PROPERTY

SR. NO. NAME STD DATE OF BIRTH MONTH PAIRS SHARING SAME BIRTH DAY

1 MANIKA 7 9 32 YOUVNA 7 11 13 MOHAMMED 7 17 14 SHIVANGI 8 14 15 PUNEET 7 2 26 RIYA 7 20 27 SNEHA 8 24 28 ANUSHKA 8 28 2

9DHRUMI 8 19 2 #

10 KARENA 8 22 2

11ISHAAN JOLLY 8 19 2 #

12 MOHAMMED 8 9 213 BUSHRA 7 17 614 KARAN 7 24 615 SARAH 7 1 716 HARSHISH 7 24 717 MOIZ 7 18 718 KASHISH 8 30 719 ADITI MISHRA 8 26 7 $

20 VISHWA 8 26 7 $

21 SIDDESH 8 20 7 %22 KABIR 8 20 7 %23 ALI 7 3 824 SHREYA 8 30 8

25 SAKSHI 8 21 826 SOMESH 8 12 827 ANMOL 8 5 828 SARTHAK 8 10 829 VICKIN 8 22 830 NIDHI 7 5 931 SHREYAS 7 18 932 TISHA 8 17 933 DHRUVI 7 26 10

34 RIYA 7 21 10

35 SHLOK 7 28 1036 STUTI 7 3 1037 ADITI.B 8 18 1038 PRIETY 8 10 1039 FARZEEN 7 29 1140 SANIA 7 17 1141 PRIYAL 7 21 1142 PRATYUSH 7 22 1143 PRERONA 8 24 1144 HIMANGI 7 6 1245 JAISHREE 7 18 1246 RYYAN 7 7 12

47 ROSHAN 7 5 12 !

48 DIYA 8 5 12 !49 PEARLYN 8 5 4 @

50 EKTA 8 5 4 @

PROBABILITY% = NO. OF PEOPLE SHARING SAME DAYS X 100 TOTAL NO. OF PEOPLE = 10 X 100 =

50i] DECIMAL = 20.00 50 ii]FRACTION = 20 III)PERCENTAGE= 20%