Mathematics, 19.03.2020 02:28 melissapulido198
A video game company surveys a random sample of 25 of its top gamer customers and finds that the average gamer spends $606 a year on games with a stander deviation of $62. Another company is also interested in the amount game consumers spend, and surveys a random sample of 250 of its top gamer and 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. the likelihood of those in the first survey to lie about the amount they spend. B the spend of the confidence interval for the second survey. C. the sizes of the sample for the second survey. D. the lack of randomization in the first survey
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Mathematics, 21.06.2019 20:30
If m∠abc = 70°, what is m∠abd? justify your reasoning. using the addition property of equality, 40 + 70 = 110, so m∠abd = 110°. using the subtraction property of equality, 70 − 30 = 40, so m∠abd = 30°. using the angle addition postulate, 40 + m∠abd = 70. so, m∠abd = 30° using the subtraction property of equality. using the angle addition postulate, 40 + 70 = m∠abd. so, m∠abd = 110° using the addition property of equality.
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A video game company surveys a random sample of 25 of its top gamer customers and finds that the ave...
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