Four dice are rolled. what is the probability of getting exactly three ""4’s"" and one ""2"" in any order?

Step-by-step explanation:

Given that four dice are rolled.

Probability for getting 4 in any dice = and

Probability for getting 2 in any dice =

Since each die is independent of the other the probability would be

=

Explanation:

2 can occur either I or II or III or Iv hence we multiply by 4C1 and multiply 1/6, 4 times.

it is a. 4.2 because 7.6-3.4 gets the remaining length of 4.2. i might be wrong but i am pretty sure this is the answer.

answer: 204

step-by-step explanation:

we are told that the revenue is

x⋅(4080−10x)=−10x^2+4080x

this is a quadratic function, so to maximize it we should find the x-value of its vertex. recall that the x-value of the vertex of the parabola ax^2+bx+c is given by the formula −b/2a.

so in this case, we have a=−10 and b=4080, so the x-value of the vertex is

−b/2a= −(4080)/2(−10)=204