subject
Mathematics, 22.02.2021 19:10 geckos7992

A school newspaper reporter decides to randomly survey 18 students to see if they will attend Tet (Vietnamese New Year) festivities this year. Based on past years, she knows that 19% of students attend Tet festivities. We are interested in the number of students who will attend the festivities. Required:
a. In words, define the random variable X.
b. List the values that X may take on.
c. Give the distribution of X.
d. How many of the 12 students do we expect to attend the festivities?
e. Find the probability that at most four students will attend.

f. Find the probability that more than two students will attend. 


ansver
Answers: 1

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 17:00, moningersavannah
How do businesses a country's economy? a. by investing in goods and services b. by increasing the unemployment rate c. by making profits
Answers: 2
image
Mathematics, 21.06.2019 18:30, AgentPangolin
If, while training for a marathon, you ran 60 miles in 2/3 months, how many miles did you run each month? (assume you ran the same amount each month) write your answer as a whole number, proper fraction, or mixed number in simplest form. you ran __ miles each month.
Answers: 1
image
Mathematics, 21.06.2019 22:00, Tirone
Common binomial factor of 6x(3x+7)+5(3x+7)
Answers: 1
image
Mathematics, 21.06.2019 22:30, mbalderp5bxjo
Solve for x. −3/4(x+2)=6 enter your answer in the box
Answers: 1
You know the right answer?
A school newspaper reporter decides to randomly survey 18 students to see if they will attend Tet (V...

Questions in other subjects: