Answer:
(a) 0.0001 or 0.01%
(b) 0.01 or 1%
Step-by-step explanation:
Since there are 10 possible numeric digits (from 0 to 9), and there is only one correct digit, there is a 1 in 10 change of getting each digit right.
The probability that if you forget your PIN, then you can guess the correct sequence
(a) at random:

(b) when you recall the first two digits.

First you plug in the missing values
y=3 x=4 z=2
3÷2×4-2
than you solve
the answer is 4
Answer:
The answer is
<h2>

</h2>
Step-by-step explanation:
<h3>

</h3>
First of all add 4 to both sides of the inequality to make 2x stand alone
That's
<h3>

</h3>
Divide both sides of the inequality by 2 inorder to find x
That's
<h3>

</h3>
We have the final answer as
<h3>

</h3>
Hope this helps you
Answer: 8/33
Step-by-step explanation:
So the probability of picking a purple marble is 8/12, after that there are 11 marbles left in the box
Now the probability of picking a green marble without placing the first marble back is 4/11
So the probability of doing both is 8/12 x 4/11 = 8/33
Answer:
8 cm
Step-by-step explanation: