Tema
Q:
3) Una ciudad tiene dos carros de bomberos que operan de forma independiente. La probabilidad de
un carro especifico esté disponible cuando se le necesite es 0.96 .
Q:
12. Jimmy rolls a 6 -sided die 20 times. What is the probability he rolls at least one 4 ?
Q:
3) Una ciudad tiene dos carros de bomberos que operan de forma independiente. La probabilidad de
un carro especifico esté disponible cuando se le necesite es 0.96 .
a) ¿Cuál es la probabilidad de que ninguno esté disponible cuando se les necesite?
Q:
9. Emma has a tank with two fish in it. The probability that the first fish lives for at least one
year is 0.84 . The probability that the second fish lives for at least one year is 0.90 . What is the
probability that both fish live for ore than one year?
10. Donny rolls 56 -sided dice all at once. What is the probability he rolls all 1 's?
11. Lana buys an unfair coin online. The coin is supposed to land heads up \( 75 \% \) of the time. If
this is true, what is the probability that in 20 flips, the first 15 are heads and the last 5 tails?
Q:
hi se lanzan seis monedas, ¿cuál es la probabilidad de obtener sello, cara, sello, sello, cara y
cara, en ese orden?, ¿y la de obtener tres caras y tres sellos?
Q:
9. Emma has a tank with two fish in it. The probability that the first fish lives for at least one
year is 0.84 . The probability that the second fish lives for at least one year is 0.90 . What is the
probability that both fish live for ore than one year?
Q:
5. A sample of adults revealed that approximately \( 68 \% \) own their own home. In this same
sample, \( 52 \% \) had completed some form of education after high school. Finally, \( 44 \% \) of
respondents completed some form of post-high school education and owned their own home.
Given that the respondent has completed some post high school education, what is the
probability that they are a homeowner?
Q:
4. A survey at a large high school reveals that \( 59 \% \) of students are studying a language other
than English. Currently, \( 6 \% \) of the students who study another language are studying
Mandarin. Given that a student is studying a language other than English, what is the
probability they are studying Mandarin?
Q:
g. Una urna contiene 10 bolitas. De ellas, 7 son de color blanco y 3 son negras. Si se, realiza dos
veces el experimento aleatorio de extraer una bolita:
¿Cuál es la probabilidad de que en ambas extracciones se obtenga una bolita negra,
sabiendo que las extracciones fueron con devolución?
Q:
Given that A and B are mutually exclusive events. The probability that
event A occurs is 0,55 . The probability that event B does not occur
is 0,7 .
Calculate \( \mathrm{P}(\mathrm{A} \) or B\( ) \).
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