Mathematics, 10.08.2021 03:10 nick974
For each of the following situations, state whether the parameter of interest is a mean or a proportion.
(a) A poll shows that 64% of Americans personally worry a great deal about federal spending and the budget deficit.
(b) A survey reports that local TV news has shown a 17% increase in revenue between 2009 and 2011 while newspaper revenues decreased by 6.4% during this time period.
(c) In a survey, high school and college students are asked whether or not they use geolocation services on their smart phones.
(d) In a survey, internet users are asked whether or not they purchased any Groupon coupons.
(e) In a survey, internet users are asked how many Groupon coupons they purchased over the lastyear.
Answers: 2
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An equation representing lyle’s hedge-trimming business is a = 12n - 300 where a is the amount of profit or loss in dollars and n is the number of hedges trimmed. how would the graph of lyle’s business change if the equation a = 10n - 300 represented his business? the graph would be flatter. the graph would be steeper. the graph would start closer to the origin. the graph would start lower on the y-axis.
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Mathematics, 21.06.2019 17:30
Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.
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For each of the following situations, state whether the parameter of interest is a mean or a proport...
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