Topic
Q:
In a particular region, car registration plates consist of 4 letter:
and 2 digits. Numbers can be repeated but letters cannot.
How many different registration plates can be issued?
Q:
In a particular region, car registration plates consist of 4 letters
and 2 digits. Numbers can be repeated but letters cannot.
Q:
Pablo is a buyer for a major department store. He just received a big box of shirts from a designer's new collection. In the box, 54 of the shirts are not
and there are 100 shirts total.
Pablo randomly chooses a shirt from the box. Let the event \( A \) and the event \( B \) be as follows.
\[ B \text { : The shirt Pablo chooses is not a v-neck. } \]
Find the following probabilities. Write your answers as decimal numbers and do not round.
\( P(B)=\square \)
\( P(B)=\square \)
Q:
In an aquarium, there are 4 large fish and 16 small fish. Half of the small fish are blue.
One fish is selected at random. Find the probability that it is a small, blue fish.
Write your answer as a fraction.
Q:
A bag contains eleven balls labeled 1 through 11 . One ball will be randomly picked.
What is the probability of picking a multiple of 3 ?
Write your answer as a fraction.
Q:
( 13 )
A coin will be tossed twice, and each toss will be recorded as heads ( \( H \) ) or tails ( \( T \) ).
Then give all of the outcomes for the event that the first toss is tails.
Use the format \( H T \) to mean that the first toss is heads and the second is tails.
If there is more than one element in the set, separate them with commas.
Sample space: \{ \{
Q:
На клавиатуре компьютера количество
клавиш равно 104 шт. Найди вероятность того,
то Оля, нажав на клавишу случайным образом,
напечатает букву «б».
(При необходимости результат округли до
сотых.)
Q:
В городе проходит розыгрыш туристических
сертификатов. Общее число билетов - 100 .
Среди них путёвок -2 , денежных призов - 50 ,
тёмных очков - 30, соломенных шляп - 5 .
Найди вероятность того, что участник
розыгрыша выиграет путевку или тёмные очки.
Q:
3 шкатулке лежат разноцветные камушки,
которые Василий привёз с крымского пляжа.
Әбщее число камушков - 500. Среди них
красных - 50, зелёных - 250 , прозрачных -
150 , синих и чёрных - равное количество.
найди вероятность того, что его брат наугад
зытащит красный или прозрачный камень.
Q:
Two dice are thrown. The sum of their results is shown in the
table. What is the probability of rolling a total of 2 ?
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