00:01
Hi, i'm david and i'm here to have you on the question.
00:03
Now let me pick up the question here.
00:05
In the question here, we need to find the critical value corresponds to the confidence level 82%.
00:11
In it to answer this question, i need to bring up the z table.
00:16
So let me combine the z table.
00:18
And i put the table on the right here.
00:22
And let me submit quicker.
00:24
Now this one can be expressed in the graph is following here.
00:29
We have the gravity standard normal like a bell curve.
00:33
The middle value will be the 0.
00:35
Now the z and far over 2 will be, this will be the minus z and far over 2 and this will be the z and far over 2...