initial commit / add all books

7 files changed, 78 insertions, 0 deletions

diff --git a/1553/CH31/EX31.1/31Ex1.sce b/1553/CH31/EX31.1/31Ex1.sce
new file mode 100644
index 000000000..62134d567
--- /dev/null
+++ b/1553/CH31/EX31.1/31Ex1.sce
@@ -0,0 +1,10 @@
+//chapter 31 Ex 1

+

+clc;

+clear;

+close;

+S={'H','T'};

+E={'H'};

+sizeS=size(S,"c"); sizeE=size(E,"c");

+prob=sizeE/sizeS;

+printf("The probability of getting a head is %0.2f",prob);

diff --git a/1553/CH31/EX31.2/31Ex2.sce b/1553/CH31/EX31.2/31Ex2.sce
new file mode 100644
index 000000000..786b67486
--- /dev/null
+++ b/1553/CH31/EX31.2/31Ex2.sce
@@ -0,0 +1,10 @@
+//chapter 24 Ex 2

+

+clc;

+clear;

+close;

+S={'HH','HT','TH','TT'};

+E={'TT','HT','TH'};

+sizeS=size(S,"c"); sizeE=size(E,"c");

+prob=sizeE/sizeS;

+printf("The probability of getting at most one head is %0.2f",prob);

diff --git a/1553/CH31/EX31.3/31Ex3.sce b/1553/CH31/EX31.3/31Ex3.sce
new file mode 100644
index 000000000..ff35de1b1
--- /dev/null
+++ b/1553/CH31/EX31.3/31Ex3.sce
@@ -0,0 +1,10 @@
+//chapter 31 Ex 3

+

+clc;

+clear;

+close;

+S={'1','2','3','4','5','6'};

+E={'3','6'};

+sizeS=size(S,"c"); sizeE=size(E,"c");

+prob=sizeE/sizeS;

+printf("The probability of getting multiple of 3 is %0.2f",prob);

diff --git a/1553/CH31/EX31.4/31Ex4.sce b/1553/CH31/EX31.4/31Ex4.sce
new file mode 100644
index 000000000..7c46ad158
--- /dev/null
+++ b/1553/CH31/EX31.4/31Ex4.sce
@@ -0,0 +1,11 @@
+//chapter 31 Ex 4

+

+clc;

+clear;

+close;

+

+E={'(2,6)','(3,5)','(3,6)','(4,4)','(4,5)','(4,6)','(5,3)','(5,4)','(5,5)','(5,6)','(6,2)','(6,3)','(6,4)','(6,5)','(6,6)'};

+sizeS=6*6; //rolling 2 dice

+sizeE=size(E,"c");

+prob=sizeE/sizeS;

+printf("The probability of getting total more than 7 is %0.3f",prob);

diff --git a/1553/CH31/EX31.5/31Ex5.sce b/1553/CH31/EX31.5/31Ex5.sce
new file mode 100644
index 000000000..eae78e476
--- /dev/null
+++ b/1553/CH31/EX31.5/31Ex5.sce
@@ -0,0 +1,11 @@
+//chapter 31 Ex 5

+

+clc;

+clear;

+close;

+totalBalls=10; white=6; Black=4; random=2;

+

+sizeS= factorial(totalBalls)/(factorial(totalBalls-random)*factorial(random));

+sizeE=(factorial(white)/(factorial(white-random)*factorial(random)))+(factorial(Black)/(factorial(Black-random)*factorial(random)));

+prob=sizeE/sizeS;

+printf("The probability of getting both balls of same color is %0.2f",prob);

diff --git a/1553/CH31/EX31.6/31Ex6.sce b/1553/CH31/EX31.6/31Ex6.sce
new file mode 100644
index 000000000..85435923e
--- /dev/null
+++ b/1553/CH31/EX31.6/31Ex6.sce
@@ -0,0 +1,11 @@
+//chapter 31 Ex 6

+

+clc;

+clear;

+close;

+

+E={'(1,3)','(3,5)','(2,2)','(2,4)','(2,6)','(3,1)','(3,5)','(3,3)','(4,2)','(4,4)','(5,1)','(5,3)','(6,2)','(6,6)'};

+sizeS=6*6; //rolling 2 dice

+sizeE=size(E,"c");

+prob=sizeE/sizeS;

+printf("The probability that sum of numbers on 2 faces is divisible by 4 or 6 id  is %0.3f",prob);

diff --git a/1553/CH31/EX31.7/31Ex7.sce b/1553/CH31/EX31.7/31Ex7.sce
new file mode 100644
index 000000000..c27a54b46
--- /dev/null
+++ b/1553/CH31/EX31.7/31Ex7.sce
@@ -0,0 +1,15 @@
+//chapter 31 Ex 7

+

+clc;

+clear;

+close;

+totalCards=52; random=2; Black=26; queen=4;

+sizeS= factorial(totalCards)/(factorial(totalCards-random)*factorial(random));

+sizeE1=(factorial(Black)/(factorial(Black-random)*factorial(random)));

+sizeE2=(factorial(queen)/(factorial(queen-random)*factorial(random)));

+prob1=sizeE1/sizeS;

+prob2=sizeE2/sizeS;

+probBoth=prob1*prob2;

+

+probTotal=prob1+prob2-probBoth;

+printf("The probability that either both cards are black or both are queen is %0.3f",probTotal);