what is pribnow box?

Which of the following is the Pribnow box ?

Which of the following is the Pribnow box ?

Coloured balls are distributed in four boxes as shown in the following table: A box is selected at random and then a ball is randomly drawn from the selected box. The colour of the ball is black. What is the probability that ball drawn is from box III?

If 8 balls are distributed at random among three boxes,what is the probability that the first box would contain 3 balls?

What is TATA box?