Question

the proability of choosing prime number 1234567​

Answer 1

Answer:

the proability of choosing prime number 1234567 is half

Step-by-step explanation:

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Answer 2

Answer:

The given statement says that 5 digit numbers are made from 7 digits.

The probability of selecting 5 digits from 7 is given by

7P

5

The odd numbers are 4 in number and thus 2 of them can be selected by

4

P

2

and the remaining three from the even numbers as

3

P

3

Thus the probability is given by : (

4

P

2

x

3

P

3

)/(

7

P

5

) =

7

2