Tema
Q:
How does your web browser get a file from the Internet? Your computer sends a request for the file to a web server, and the web
server sends back a response. Let \( Y= \) the amount of time (in seconds) after the start of an hour at which a randomly selected
What is the probability that the request is received by this server within the first 5 minutes ( 300 seconds) after the
hour?
0.0014
0.083
0.11
0.25
Q:
This year, there are seven freshmen, eight sophomores, ten juniors, and seven seniors are eligible to be on
a committee.
In how many ways can a dance committee of 8 students be chosen?
In how many ways can a dance committee be chosen if it is to consist of 2 freshmen, 2 sophomores, 2
juniors, and 2 seniors.
In how many ways can a dance committee be chosen if it is to consist of 4 juniors and 4 senions.
Determine the probability of selecting a committee consisting of 2 freshmen, 2 sophomores, 2 juniors, and
2 seniors. Write your answer in decimal form, rounded to the nearest thousandth.
Answer:
Q:
Resuelve el siguiente problema y elige la respuesta correcta.
De una lista de 10 aplicantes se seleccionarán 3 para un empleo, ¿de cuántas maneräs se podrá selé
\( { }_{10} P_{3}=\frac{10!}{(10-3)!3!}=110 \)
b. \( { }_{10} P_{3}=\frac{10!}{(10-3)!}=720 \)
c. \( C_{3}=\frac{10!}{(10-3)!3!}=120 \)
Q:
Next question
The PTO is selling raffle tickets to raise money for classroom supplies. A raffle ticket costs \( \$ 5 \). There is 1
winning ticket out of the 180 tickets sold. The winner gets a prize worth \( \$ 84 \). Round your answers to the
nearest cent.
What is the expected value (to you) of one raffle ticket? \( \$-4.53 \)
Walculate the expected value (to you) if you purchase 12 raffle tickets. \( \$-54.36 \)
What is the expected value (to the PTO) of one raffle ticket? \( \$ 4.53 \)
\( \$ \) PTO sells all 180 raffle tickets, how much money can they expect to raise for the classroom supplies?
Question Help: Video
Q:
Question 70
The PTO is selling raffle tickets to raise money for classroom supplies. A raffle ticket costs \( \$ 5 \). There is 1
winning ticket out of the 180 tickets sold. The winner gets a prize worth \( \$ 84 \). Round your answers to the
nearest cent.
What is the expected value (to you) of one raffle ticket? \$
Calculate the expected value (to you) if you purchase 12 raffle tickets.
What is the expected value (to the PTO) of one raffle ticket? \$
\( \$ \)
Q:
Question 70
The PTO is selling raffle tickets to raise money for classroom supplies. A raffle ticket costs \( \$ 2 \). There is 1
winning ticket out of the 270 tickets sold. The winner gets a prize worth \( \$ 64 \). Round your answers to the
nearest cent.
What is the expected value (to you) of one raffle ticket? \( \$ \)
Calculate the expected value (to you) if you purchase 12 raffle tickets.
What is the expected value (to the PTO) of one raffle ticket? \( \$ \)
\( \$ \) PTO sells all 270 raffle tickets, how much money can they expect to raise for the classroom supplies?
Ouestion Help: Video
Q:
4. Em uma escola, 20 estudantes participaram do grupo de recepşão e acolhida dos alunos.
A Diretora da escola convocou esses estudantes para uma reunião e iria sortear um pre-
sente a um desses alunos. Daniela participou da reunião em que faltaram 4 dos estudantes
convocados. Qual a probabilidade de ela ser sorteada e receber o presente oferecido pela
Diretora?
\( \begin{array}{llll}\text { A) } \frac{1}{20} & \text { B) } \frac{4}{20} & \text { C) } \frac{16}{20} & \text { D) } \frac{1}{16}\end{array} \)
Q:
If the area to the left of \( x \) in a normal distribution is 0.363 , what is the area to the right of \( x \) ?
Answer:
If the area to the right of \( x \) in a normal distribution is 0.363 , what is the area to the left of \( x \) ?
Answer:
Q:
7. มีเหรียญที่แตกต่างกัน 3 เหรียญ และลูกเต๋าที่แตกต่างกัน 2 ลูก ถ้าโยนเหรียญและลูกเต๋าที่แตกต่างกัน
ทั้งหมด จำนวนวิธีในการขึ้นหน้าของเหรียญและลูกเต๋าที่แตกต่างกันได้ทั้งหมดกี่วิธี เมื่อเหรียญขึ้นหน้า
เหมือนกัน และลูกเต๋าขึ้นหน้าเหมือนกัน
\( \begin{array}{ll}\text { ก. } 6 & \text { ข. } 12 \\ \text { ค. } 18 & \text { ง. } 48\end{array} \)
Q:
8. En una quiniela de futbol, ¿cuántas apues-
tas diferentes es posible hacer con 13 par-
tidos si el resultado que se marca para cada
uno de ellos es \( \mathrm{L}= \) gana el equipo local,
\( \mathrm{E}= \) empate y \( \mathrm{V}= \) gana el equipo visitante?
Tutores
AI
10x
La forma más rápida deObtenga respuestas y soluciones
Por texto
Introduce tu pregunta aquí…
Por imagen
Volver a cargar
Archivos subidos
xxxx.png0%
Enviar
