A video game company surveys a random sample of 250 gamers who report
annual income of $50,000...
Mathematics, 26.04.2020 05:16 joy8348
A video game company surveys a random sample of 250 gamers who report
annual income of $50,000. The company finds that the average gamer
spends $206 a year on games, with a standard deviation of $12.
Another company is also interested in the amount game consumers spend,
and surveys a random sample of 225 gamers with a verified yearly income of
$50,000. The company finds that the average gamer spends $250 a year on
games, with a standard deviation of $15.
Why is the second survey more believable than the first?
A. size of the sample for the second survey
B. size of the confidence interval for the second survey
C. likelihood of those in the first survey to lie about the amount they
make
D. lack of randomization in the first survey
Answers: 2
Mathematics, 21.06.2019 19:30
[15 points]find the quotient with the restrictions. (x^2 - 2x - 3) (x^2 + 4x + 3) ÷ (x^2 + 2x - 8) (x^2 + 6x + 8)
Answers: 1
Mathematics, 21.06.2019 20:50
Determine the common ratio and find the next three terms of the geometric sequence. 649-14-02-00-00_files/i0100000, 649-14-02-00-00_files/i0100001, 2, a. 3; 649-14-02-00-00_files/i0100002, 649-14-02-00-00_files/i0100003, 649-14-02-00-00_files/i0100004. c. 649-14-02-00-00_files/i0100005; 649-14-02-00-00_files/i0100006, 649-14-02-00-00_files/i0100007, 649-14-02-00-00_files/i0100008. b. 3; 6, 18, 54 d. 649-14-02-00-00_files/i0100009. 6, 18, 54 select the best answer from the choices provided a b c d
Answers: 1
Mathematics, 21.06.2019 22:20
Which strategy is used by public health to reduce the incidence of food poisoning?
Answers: 2
Mathematics, 22.06.2019 00:30
If it 8 inch candle burns at 7/10 inch per hour and a 6 inch candle burns at 1/5 inch per hour after how many hours would both candles be the same height
Answers: 1
Social Studies, 11.05.2021 19:10
Mathematics, 11.05.2021 19:10
English, 11.05.2021 19:10
History, 11.05.2021 19:10
Mathematics, 11.05.2021 19:10
Mathematics, 11.05.2021 19:10
Advanced Placement (AP), 11.05.2021 19:10
Mathematics, 11.05.2021 19:10
Mathematics, 11.05.2021 19:10
Social Studies, 11.05.2021 19:10