Apair of dice is rolled, and the number that appears uppermost on each die is observed. refer to this experiment, and find the probability of the given event. (enter your answer as a fraction.)
the sum of the numbers is at least 4.

Explanation:

You can find the theoretical probability of the event "the sum of the numbers is at least 4".

The theoretical probability is:

1. Number of positive outcomes.

The number of positive outcomes is the amount of ways for which the sum of the numbers is at least 4.

Those are:

Thus, the total number of ways to have a sum of at least 4 is: 3 + 4 + 5 + 6 + 5 + 4 + 3 + 2 + 1 = 33.

2. Number of possible outcomes

The total number of possible outcomes is found by multiplying the ways each die can be rolled, this is: 6 × 6 = 36.

3. Probability

Then, the searched probability is 33/36 = 11/12 ≈ 0.92

hi,

i'm 75% sure the answer is 1,1 to both lines.

have a great day

since your problem is x^4 = 81, what you have to undeo is the "to the fourth power" part.

the inverse (opposite operation) of "to the fourth power" is "to the fourth root".

  (x^4) ^ ¼   = 81 ^ ¼  

  81 = 3^4     so (3 ^ 4) ^ ¼   =   3 ^ 1   = 3

by hand: (3 ^ 4) ^ ¼   =   3 ^ (4 x ¼) = 3 ^ 1   = 3   (when you take a power to a power, multiply the exponents.)

or, do it by calculator. one way of finding the fourth root is to use ^ (1/4)

step-by-step explanation: