Gareth believes that if he flips a coin 820 times, it will land heads up exactly 410 times. what would you tell gareth about his prediction?
no multiple question

The prediction of Gareth is correct and is based on probabilities.

Step-by-step explanation:

When we talks about probabilities first we have to look at the possibilities of having a result, for the case of flipping a coin we have two options: heads up and heads down, so the probability of having heads up is:

Now multiplying the probability by the times Gareth flips the coin, we have:

There is a possibility of having 410 heads up by flipping the coin 820 times.

So the prediction of Gareth is correct and is based on probabilities.

-1, -2, -3, -4, -6

step-by-step explanation:

its 4 because 2 times 2 is 4, if you double the number two you get four