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looking at the alphabet ,the letters are numbered 1-26 , such that 1 =one=15+14+5=34 (O=15, N=14, E =5 ) 2=two=20+23+15=58 (T=20, W=23, 0=15) 3=three =56 4=four=6...
If a license plate consists of 3 letters followed by 3 digits and having at least one digit or letter repeated .. How many outcomes are there? 26 * 26 * 10* 10 * 10 .. Is that right?
To get count of odd or even numbers between a range, follow the process as below: Correct the Range to start and end with inclusive numbers as per question and then use following formula : (m - n)/2 + 1 where m is greater than n. Example: All Odd numbers between 21 - 61.
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A box contains $26$ cards, numbered from $1$ to $26$. Draw $3$ cards at random from the box. How many ways to do this so that any two of the cards drawn have numbers whose difference is at least $2...
Out of the twenty-six letters of the alphabet, how many ways can a word be made consisting of five different letters, two of which must be a and e? Hot Network Questions After installing 24.04.1 LTS on my desktop computer, the date command displays UTC time instead of the expected local time
The winning numbers are determined by drawing one white ball from each of the five bins of white balls numbered 1 to 69 and one red ball, i.e., the Powerball®, from a bin of red balls numbered 1 to 26. According to the Powerball® website (www.powerball.com), there are nine ways to win. The table below copied from their website describes the ...
1. if I understand the question correctly, what's the probability that you select a two letters from the English alphabet, such that the second one comes after the first. Use the law of total probability: P(X) =∑k=126 P(X|Y = k)P(Y = k) = 25 26 ⋅ P(X = A) + 24 26 ⋅ P(X = B) + …. P (X) = ∑ k = 1 26 P (X | Y = k) P (Y = k) = 25 26 ⋅ P ...
Unsure how to handle "at least". Any help is greatly appreciated! 1.5. Suppose that you have an alphabet of 26 letters. (a) How many possible simple substitution ciphers are there? (b) A letter in the alphabet is said to be fixed if the encryption of the letter is the letter itself.
Problem abstraction A standard deck of $52$ cards has $26$ red cards: it has $13$ hearts, $13$ diamonds, as well as $26$ black cards ($13$ spades, as well as $13$ clubs). Let us draw $5$ cards from...