Mathematics, 21.01.2021 23:00, zitterkoph
A school class of 120 students is driven to a symphonic concert on one of three buses. There are 34 students on one bus, 42 on another, and 44 on the third bus. When the buses arrives, one of the 120 students is randomly chosen. Let X denote the number of students on the bus of the randomly chosen student, and nd E[X].
Required:
a. What is the state space of X?
b. What is the probability mass function associated with X?
c. What is the expected value of X: E[X]?
Answers: 3
Mathematics, 21.06.2019 12:50, aspenbaxter201634
Simplify the expression. enter the correct answer.
Answers: 2
Mathematics, 21.06.2019 17:30, Vampfox
Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?
Answers: 1
Mathematics, 21.06.2019 18:10, lulustar13
Television sizes are based on the length of the diagonal of the television's rectangular screen. so, for example, a 70-inch television is a television having a diagonal screen length of 70 inches. if a 70 inch television's diagonal forms a 29°angle with the base of the screen, what is the vertical height (1) of the screen to the nearest inch? 70 inhin
Answers: 3
A school class of 120 students is driven to a symphonic concert on one of three buses. There are 34...
Arts, 10.11.2020 20:30
Mathematics, 10.11.2020 20:30
Mathematics, 10.11.2020 20:30