1 files changed, 6 insertions, 0 deletions
diff --git a/291/CH4/EX4.9a/eg4_9a.sce b/291/CH4/EX4.9a/eg4_9a.sce
new file mode 100755
index 000000000..05efdc7e4
--- /dev/null
+++ b/291/CH4/EX4.9a/eg4_9a.sce
@@ -0,0 +1,6 @@
+avg  = 50;
+probX75 = avg/75;
+disp(probX75, "Probability that X>75 is")
+var = 25;
+upperlimit = var/100;
+disp(1-upperlimit, "Probability that X lies between 40 and 60 is")
+\ No newline at end of file