2) The wind blew away 16 of your muffins. That was 4/7 of all of them! How many are left?
1 answer:
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Answer:
0.1419 ( (if upper and lower cases are interchangeable)
0.348 ( if upper and lower cases are distinct letters)
Step-by-step explanation:
Each digit has 36 possible choices as 26+10
computer generates six characters
there are only 26 choices for letters only, (if we assume upper and lower cases are interchangeable)
For number of letters-only arrangements = = 308915776
For number of alphanumeric arrangements = = 2176782336
In order to find the probability of letters-only arrangements :
=><u>0.1419</u>
Now, in different scenario if upper and lower cases are not interchangeable.
We will have 26+26+10=62 alphanumeric choices, and 52 alphabetic choices
Therefore, probability of letters-only arrangements will be
=<u>>0.348</u>