Tema
Q:
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
Q:
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) \( 5 / 26 \)
Q:
03- Um restaurante está com 13 pessoas: 9 clilentes e
4 garçons. Se escolhermos urna pessoa do local
aleatoriamente, qual a probabilidade de ser um
cliente?
a) \( 3 / 13 \)
ad \( 9 / 13 \)
c) \( 6 / 13 \)
d) \( 7 / 13 \)
Q:
02- Se lançarmos uma moeda, qual a probabilidade
do lado "cara" ficar voltado para cima?
a) \( 1 / 3 \)
e) \( 1 / 2 \)
c) \( 1 / 4 \)
d) 0
Q:
ATIVIDADE AVALIATIVA
01 - Se lançarmos um dado, qual a probabilidade de
obtermos um número maior que 4 ?
a) \( 2 / 3 \)
b) \( 1 / 4 \)
da \( 1 / 3 \)
d) \( 3 / 2 \)
Q:
4) You pick a card at random. Without putting the first card back, you pick a second card at
random.
4)) What is the probability of picking an 8 and then picking a 7 ?
1) Write your answer as a fraction or whole number.
Q:
\( \begin{array}{l}\text { Place the question numbers on } \\ \text { the probability scale below, } \\ \text { where you think they go. } \\ 8 \\ \text { The rolling of a number less } \\ \text { than } 3 \text { with a fair die. } \\ 9 \text { Selecting a red card from a } \\ \text { deck of cards } \\ 10 \text { The chance of buying one } \\ \text { ticket and winning the lottery. } \\ 11 \text { Selecting a number card }\end{array} \).
Q:
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.
Q:
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.
Q:
A drawer is filled with 2 black shirts, 7 white shirts, and 11 gray shirts,
One shirt is chosen at random from the drawer. Find the probability that it is not a black
Write your answer as a fraction in simplest form.
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