Answer:
13
Step-by-step explanation:
To find the determinant you subtract the the leading diagonal from the non-leading diagonal.
(4x-2)-(-7x3)
-8 - -21
NB A negative beside a negative gives you a positive number.
-8+21
=13
Given:
The table and the relative frequency histogram show the distribution of the number of tails and three coins are tossed.
To find:
The probability
.
Solution:
In the given table T represents the number of tails.
From the given table it is clear that the value of probability is
and
. So,

Therefore, the probability
is equal to
.
The second one is the correct answer