A die is rolled. Find the probability of the given event. (a) The number showing is a 5 ; The probability is: (b) The number showing is an even number; The probability is : (c) The number showing is greater than 2 ; The probability is :

04- Se voce escolher aleatoriamente uma letra no alfabeto, qual a probabilidade de selecionar uma vogal? a) \( 5 / 13 \) b) \( 7 / 13 \) c) \( 7 / 26 \) a) \( 5 / 26 \)

05- Se é escolhido aleatoriamente um numero da sequência: (1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17, \( 18,19,20 \) ) qual a probabilidade de escolher um nümero primo? a) 38 b) 8.9 c) 2.5 d) 588

An organization will give a prize to a local artist. The artist will be randomly chosen from among 10 painters, 3 sculptors, and 5 photographers. What is the probability that the artist chosen will be a sculptor or a photographer? Write your answer as a fraction in simplest form.

\( \begin{array}{l}\text { Place the question numbers on } \\ \text { the probability scale below, } \\ \text { where you think they go. } \\ 8 \\ \text { The rolling of a number less } \\ \text { than } 3 \text { with a fair die. } \\ 9 \text { Selecting a red card from a } \\ \text { deck of cards } \\ 10 \text { The chance of buying one } \\ \text { ticket and winning the lottery. } \\ 11 \text { Selecting a number card }\end{array} \).

In an aquarium, there are 7 large fish and 6 small fish. Half of the small fish are red. One fish is selected at random. Find the probability that it is a small, red fish. Write your answer as a fraction in simplest form.