5 July, 15:14

A security alarm requires a four-digit code. The code can use the digits 0-9 and the digits cannot be repeated.

What is the approximate probability that the code only contains odd numbers?

a) 0.0005

b) 0.00099

c) 0.012

d) 0.02381

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A security alarm requires a four-digit code. The code can use the digits 0-9 and the digits cannot be repeated.What is the approximate probability that the code only contains odd numbers?a) 0.0005b) 0.00099c) 0.012d) 0.02381

A security alarm requires a four-digit code. The code can use the digits 0-9 and the digits cannot be repeated.

What is the approximate probability that the code only contains odd numbers?

a) 0.0005

b) 0.00099

c) 0.012

d) 0.02381