Mathematics, 04.07.2020 04:01, hHRS2997
The Pew Research Center finds that the demographic make-up of political parties is changing drastically through the election cycles. Consider the following summary of education levels among party lines
Democrat Republican Total
College Degree 37 31 68
No College Degree 63 69 132
Total 100 100 200
(a) What is the probability a randomly selected participant has a college degree?
(b) What is the probability that a randomly selected participant is a democrat?
(c) What is the probability that a randomly selected participant is a democrat and has a college degree?
(d) Of those who have college degrees, what is the probability of being a democrat?
(e) What is the probability of begin a democrat or having a college degree?
(f) Are having a college degree and being a democrat disjoint events?
(g) Are having a college degree and being a democrat independent events?
Answers: 3
Mathematics, 21.06.2019 19:30, abigailstolp
Find the domain of the following expression: 1/(βx)-2
Answers: 1
Mathematics, 21.06.2019 21:00, Anybody6153
Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1β0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.
Answers: 1
Mathematics, 21.06.2019 22:00, johnlumpkin5183
Aprofessional hockey team has noticed that, over the past several seasons, as the number of wins increases, the total number of hot dogs sold at the concession stands increases. the hockey team concludes that winning makes people crave hot dogs. what is wrong with the hockey team's conclusion? a) it does not take into account the attendance during each season. b) it does not take into account the number of hamburgers sold during each season. c) it does not take into account the number of concession stands in the hockey arena. d) it does not take into account the number of seasons the hockey team has been in existence.
Answers: 1
The Pew Research Center finds that the demographic make-up of political parties is changing drastica...
World Languages, 04.12.2020 22:50
Mathematics, 04.12.2020 22:50
Medicine, 04.12.2020 22:50
English, 04.12.2020 22:50
Mathematics, 04.12.2020 22:50
Geography, 04.12.2020 22:50