Simple statistics question.
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To get a voter initiative on a state ballot, petitions that obtain at least 250,000 valid voter signatures must be filed with the elections commission. The board then has 60 days to certify the petitions. A group wanting to create a statewide system of universal health insurance has just filed petitions with a total of 304,266 signatures. As a first step in the process, the Board selects an SRS of 2000 signatures and check them against local voter lists. Only 1772 of them turn out to be valid. I...
Answer:
1) You will use a proportional z test. 2) The required proportion to get the petition approved is 2...
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Other solutions
I got a take home test and i know everything except for this multiple choice question. here's the question, Parts being manufactured at a plant are supposed to weigh 40 grams. Suppose the distribution of weights has a normal distribution mean of 40 grams...
Answer:
mr. fish - Answer B is correct. The question is about the "sampling distribution". The sampling...
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The spokesman of a government claims that 30%, 20% and 50% of voters are respectively against, neutral to and supportive of the recent budget of the government. A random survey of 100 voters shows that 34 and 25 voters are respectively against and neutral...
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I'm taking my open note, open book social statistics final (that I'm allowed to take with other people) and I need a LOT of help. I have quite a few questions. Here are some of them: The objects or cases that a study is about such as individuals, families...
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question regarding the statistics/Multiparameter Strategy Adjustments for keeping every count (2,3,4,5,6,7,8,9,10,j,q,k,a) and the adjustments for strategy played. EXAMPLE: single deck, player hard 17 vs dealer 10. know the 13 side counts; 3-a's left...
Answer:
You dont play based upon how often you bust, you play based upon all permutions, and that includes the...
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Question 1 To determine whether the mean nicotine content of a brand of cigarettes is greater than the advertised value of 1.4 milligrams, a health advocacy group tests Ho: μ = 1.4 Hα: m > 1.4 The...
Answer:
Using MS Excel to lookup the probabity of the z-score in a N(0,1) distributon (Normal) =NORMSDIST(2...
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I'm going to be doing the AQA Statistics B A level paper this Friday, and i'm unsure about probability... I just need a bit of help with it. I have a specific question but if you have any general rules that could apply to any question, please let me...
Answer:
Draw a Venn diagram, it will help. P(AuB)= P(A) + P(B) - P(AnB) = 0.85 + 0.6 - 0.55 = 0.9 Therefore...
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This simple question(s) will protect you from many of the most common misuses of statistics: a) Can I identify the units of measurement of the quantifiable variables? b) Can I make a picture? c) Are the variables categorical or numerical? d) Ask yourself...
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Question 1. The melting point of each of 16 samples of a certain brand of hydrogenated vegetable oil was determined, resulting in x ̅ = 94.32 and s = 2.80. Test H0: µ = 95 versus H1: µ ≠ 95 using a two-tailed test with a significance...
Answer:
Ans: 1. z = (94.32 - 95)/(2.80/sqrt(16)) = -0.9714 critical z = +/- 2.58 Hence, computed z (-0.9714...
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OK, I am doing a homework assignment for my business statistics class (BUSA 208). I have a problem I am struggling with regarding multiple regression analysis. Basically, the question is as follows: A real estate agent wishes to determine the selling...
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