Distinct four-letter sequences are formed by picking 4 letter tiles from a bag containing 11 different alphabet tiles. note that the order in which the letters are picked matters. the probability of getting a particular four-letter sequence is .

The probability of getting a particular four-letter sequence is   or 0.0001262

Step-by-step explanation:

We are given that Distinct four-letter sequences are formed by picking 4 letter tiles

Total number of tiles = 11

Now we are also given that the order in which the letters are picked matters.

So, we will use permutation over here .

Formula :

Now we are given that Distinct four-letter sequences are formed by picking 4 letter tiles from a bag containing 11 different alphabet tiles.

So, n = 11

r = 4

So,  The probability of getting a particular four-letter sequence :

=

=

=

=

=

Hence the probability of getting a particular four-letter sequence is   or 0.0001262.

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

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