Mathematics, 06.02.2020 02:44 jaylaa04
Amovie producer held a preview screening of her new movie to find out how the film would be received by viewers of different age groups. the table shows the number of viewers of different age groups who rated the movie as excellent, average, or poor. note: a rating of "excellent" means the audience liked the movie, while a rating of "poor" means the audience disliked the movie.
age groups
excellent
average
poor
marginal total
16-30
78
33
43
154
30-44
33
41
37
111
45+
38
23
20
81
marginal total
149
97
100
346
out of the total number of respondents, the percentage of respondents in the 30-44 age group who rated the film as excellent rounded to the nearest hundredth of a percent is %.
Answers: 3
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 19:40
The human resources manager at a company records the length, in hours, of one shift at work, x. he creates the probability distribution below. what is the probability that a worker chosen at random works at least 8 hours? probability distribution px(x) 6 hours 7 hours 8 hours 9 hours 10 hours 0.62 0.78 пол
Answers: 1
Mathematics, 21.06.2019 20:00
He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean and standard deviation according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%
Answers: 3
Mathematics, 21.06.2019 21:00
Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]
Answers: 1
Amovie producer held a preview screening of her new movie to find out how the film would be received...
Mathematics, 12.03.2021 21:20
Chemistry, 12.03.2021 21:20
History, 12.03.2021 21:20
History, 12.03.2021 21:20
History, 12.03.2021 21:20
Mathematics, 12.03.2021 21:20
Computers and Technology, 12.03.2021 21:20
Mathematics, 12.03.2021 21:20
English, 12.03.2021 21:20