subject
Mathematics, 22.04.2020 01:36 jennyn26

Listening to rap Is rap music more popular among young blacks than among young whites? A sample survey compared 634 randomly chosen blacks aged 15 to 25 with 567 randomly selected whites in the same age group. It found that 368 of the blacks and 130 of the whites listened to rap music every day.10Construct and interpret a 95% confidence interval for the difference between the proportions of black and white young people who listen to rap every day

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 17:00
Line gh passes through points (2, 5) and (6, 9). which equation represents line gh? y = x + 3 y = x – 3 y = 3x + 3 y = 3x – 3
Answers: 1
question
Mathematics, 21.06.2019 18:30
Let f(x) = 3 βˆ’ x . find the average rate of change of f(x) from x = a to x = a + h and simplify your answer so that no single factor of h is left in the denominator.
Answers: 1
question
Mathematics, 21.06.2019 21:30
Questions 9-10. use the table of educational expenditures to answer the questions. k-12 education expenditures population indiana $9.97 billion 6.6 million illinois $28.54 billion 12.9 million kentucky $6.58 billion 4.4 million michigan $16.85 billion 9.9 million ohio $20.23 billion 11.6million 9. if the amount of k-12 education expenses in indiana were proportional to those in ohio, what would have been the expected value of k-12 expenditures in indiana? (give the answer in billions rounded to the nearest hundredth) 10. use the value of k-12 education expenditures in michigan as a proportion of the population in michigan to estimate what the value of k-12 education expenses would be in illinois. a) find the expected value of k-12 expenditures in illinois if illinois were proportional to michigan. (give the answer in billions rounded to the nearest hundredth) b) how does this compare to the actual value for k-12 expenditures in illinois? (lower, higher, same? )
Answers: 1
question
Mathematics, 21.06.2019 23:30
Parabolas y=βˆ’2x^2 and y=2x^2+k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.
Answers: 1
You know the right answer?
Listening to rap Is rap music more popular among young blacks than among young whites? A sample surv...
Questions
question
Mathematics, 08.07.2019 15:00
question
Mathematics, 08.07.2019 15:00
question
Mathematics, 08.07.2019 15:00
Questions on the website: 13722367