subject
Mathematics, 30.04.2021 20:50 devalynn

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?

ansver
Answers: 3

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 15:00, wrightstephanie193
Which expression is equivalent to 2x^2+7x+4?
Answers: 3
image
Mathematics, 21.06.2019 15:30, kevinglvz
The function ƒ is defined by ƒ(x) = (x + 3)(x + 1). the graph of ƒ in the xy-plane is a parabola. which interval contains the x-coordinate of the vertex of the graph of ƒ?
Answers: 2
image
Mathematics, 21.06.2019 17:00, anniekwilbourne
For which of the following counts would a binomial probability model not be reasonable? a)the number of people in a classroom born in januaryb) the number of people in a classroom with red hair c) the number of people admitted to a hospital in a day with a particular disease d) the number of heart beats in a one-minute perio.
Answers: 3
image
Mathematics, 21.06.2019 18:30, love123jones
Una caja de galletas contiene 16 paquetes y cada una de estas tiene 12 galletas y se quieren repartir entre 6 niños ¿de cuantas galletas le toca a cada niño?
Answers: 1
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 in other subjects:

Konu
Mathematics, 08.12.2020 17:40
Konu
English, 08.12.2020 17:40