Mathematics, 30.03.2020 17:31 andrewmena05
A school newspaper reporter decides to randomly survey 13 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.
a. In words, define the random variable X.
b. List the values that X may take on.
c. Give the distribution of X. X ~ (,)
d. How many of the 13 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.
Answers: 2
Mathematics, 21.06.2019 17:30
Janet drove 300 miles in 4.5 hours. write an equation to find the rate at which she was traveling
Answers: 2
Mathematics, 21.06.2019 18:00
Which ordered pair is a solution to the system of linear equations? 2x + 3y= 6 –3x + 5y = 10
Answers: 1
Mathematics, 21.06.2019 19:00
If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?
Answers: 2
Mathematics, 21.06.2019 19:20
Askyscraper is 396 meters tall. at a certain time of day, it casts a shadow that is 332 meters long.at what angle is the sun above the horizon at that time?
Answers: 1
A school newspaper reporter decides to randomly survey 13 students to see if they will attend Tet (V...
Chemistry, 02.02.2021 22:10
Physics, 02.02.2021 22:10
Mathematics, 02.02.2021 22:10
Mathematics, 02.02.2021 22:10
Mathematics, 02.02.2021 22:10
English, 02.02.2021 22:10
Physics, 02.02.2021 22:10
Mathematics, 02.02.2021 22:10
History, 02.02.2021 22:10
Mathematics, 02.02.2021 22:10
Physics, 02.02.2021 22:10
Geography, 02.02.2021 22:10
English, 02.02.2021 22:10
History, 02.02.2021 22:10