Mathematics, 02.05.2021 01:30 swagluxry
According to a Gallup survey of boys 77% of boys had played computer games in the past week, compared with 65% of girls. You take and SRS of 104 boys and 120 girls.
(A) Find the mean of each sampling distribution.
(B) Would it be reasonable to use the standard deviation formula? Explain.
(C) Find standard deviation of each sampling distribution.
(D) How would you describe each distribution?
(E) How would you describe the distribution of difference in percentage of boys and girls who had
played computer games in the past week?
(F) Find the mean and standard deviation of the difference in proportion of boys and girls who had
played computer games in the past week.
(G) How frequently does the proportion of girls exceed the proportion of boys?
Answers: 2
Another question on Mathematics
Mathematics, 20.06.2019 18:04
Mary spent a total of $323.14 for a party.she spent a total of $200.22 on food,plus an additional $30.73 for each hour of the party.how long was the party?
Answers: 3
Mathematics, 21.06.2019 20:00
One hectometer is a) 1/1000 of a meter. b) 1/100 of a meter. c) 10 meters. d) 100 meters. e) 1000 meters.
Answers: 1
Mathematics, 22.06.2019 00:00
Charlie is at an amusement park that has 18 different rides. each ride costs $1.75. the function c(r) = 1.75r represents the total amount of money that charlie will spend if he goes on r rides, but he never goes on the same one more than once. what domain and range are reasonable for the function?
Answers: 3
You know the right answer?
According to a Gallup survey of boys 77% of boys had played computer games in the past week, compare...
Questions
Mathematics, 14.05.2021 03:50
Mathematics, 14.05.2021 03:50
Chemistry, 14.05.2021 03:50
Mathematics, 14.05.2021 03:50
