Mathematics, 15.04.2020 18:29 eharris2694
A survey asks a random sample of 1500 adults in Ohio if they support an increase in the state sales tax from 6% to 7%, with the additional revenue going to education. Let X denote the number in the sample that say they support the increase. Suppose that 40% of all adults in Ohio support the increase.
a. The mean of X is:
b. The standard deviation of X is?
Answers: 1
Mathematics, 21.06.2019 22:00
Aprofessional hockey team has noticed that, over the past several seasons, as the number of wins increases, the total number of hot dogs sold at the concession stands increases. the hockey team concludes that winning makes people crave hot dogs. what is wrong with the hockey team's conclusion? a) it does not take into account the attendance during each season. b) it does not take into account the number of hamburgers sold during each season. c) it does not take into account the number of concession stands in the hockey arena. d) it does not take into account the number of seasons the hockey team has been in existence.
Answers: 1
Mathematics, 22.06.2019 00:00
Find the percent cost of the total spent on each equipment $36, fees $158, transportation $59 a. 14%, 62%, 23% b. 15%, 60%, 35% c. 10%, 70%, 20% d. 11%, 62%, 27%
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Mathematics, 22.06.2019 01:10
If the probability of an event happening is 65% then the probability this event does not occur?
Answers: 1
A survey asks a random sample of 1500 adults in Ohio if they support an increase in the state sales...
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