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Diffstat (limited to '3808/CH7/EX7.3/Ex7_3.sce')
| -rw-r--r-- | 3808/CH7/EX7.3/Ex7_3.sce | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/3808/CH7/EX7.3/Ex7_3.sce b/3808/CH7/EX7.3/Ex7_3.sce new file mode 100644 index 000000000..c8b0603b0 --- /dev/null +++ b/3808/CH7/EX7.3/Ex7_3.sce @@ -0,0 +1,21 @@ +//Chapter 07: Discrete Probability + +clc; +clear; + +//Part a +no_four_digits=10**4 //no of ways to choose 4 digits by the product rule + +//since only 1 entry is correct and wins the prize ,it is inferred that there is only 1 possible way to choose all the digits correctly +no_correctentry=1 //no of ways to choose all 4 digits correctly +prob_winning=no_correctentry/no_four_digits //probability of player winning the large prize + +disp(,prob_winning,'Probability that a player wins the large prize is') + +//Part b +//to win small prize player must correctly choose exactly 3 of 4 digits + +no_correctentry=36 //no of ways to choose 4 digits with exactly three of the four being correct +prob_winning=no_correctentry/no_four_digits //probability of player winning small prize + +disp(,prob_winning,'Probability that a player wins the small prize is') |