Mathematics, 10.03.2020 18:01 staciagirl6672
Four buses carrying 148 students from the same school arrive at a football stadium. The buses carry, respectively, 40, 33, 25, and 50 students. One of the students is randomly selected. Let X denote the number of students that were on the bus carrying the randomly selected student. One of the 4 bus drivers is also randomly selected. Let Y denote the number of students on her bus.(a) Compute E[X] and E[Y].(b) Which of E[X] or E[Y] do you think is larger? Why?
Answers: 3
Mathematics, 21.06.2019 13:00
The area of a 25-inch tv screen is 300 square inches. the area of a 40-inch tv screen is 768 square inches. the are of the smaller screen is what percent of the area of the larger screen?
Answers: 3
Mathematics, 21.06.2019 17:00
According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.
Answers: 2
Mathematics, 21.06.2019 21:50
In a singing competition, there are 150 participants. at the end of each round, 40% of the participants are eliminated. how many participants are left after n rounds?
Answers: 1
Four buses carrying 148 students from the same school arrive at a football stadium. The buses carry,...
History, 21.06.2021 15:30
Mathematics, 21.06.2021 15:30
Mathematics, 21.06.2021 15:30
Mathematics, 21.06.2021 15:30
Social Studies, 21.06.2021 15:30
History, 21.06.2021 15:30
Mathematics, 21.06.2021 15:30