What is the probability that the sum of the numbers on two dice is even when they are rolled What is the probability that the product of the numbers on two dice is odd when they are rolled Write sample space, Event and find probability?

Among the products of the first company, defective is 10%, the second 20%, the third  25%. We bought 6 products from the first company, 8 from the second and 4 from the third. For verification, one product was tested. Find the probability that it is valid.

We roll 2 dice 4 times and we want to know the number of times the sum of the dice was 7. Find the distributionof probabilities.

Bag contain of 4 nickels , 3 dimes , 2 quarters . if you draw 3 coins at random from the bag, without replacement what is the probability that you will get a nickel , a quarter and a nickel in that order ?    answer is 1/21

What is the probability that the sum of the numbers on two dice is odd when they are rolled?

what is the probability that the sum of the upturned faces will equal 7 when two dices are rolled?

When rolling a pair of dice, what is the probability of getting a sum of 5?

A bag of the same size small balls contains 6 blue balls, 5 red balls, 5 yellow balls, and 4 green balls. What is the probability of selecting a blue or green ball on the first draw?   2/5   1/2   1/10   9/20