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In a certain city 40% consider themselves Conservatives (C) 35% Liberals (L) and 25% Independents (I). During a particular election 45% of the conservatives voted 40% of the liberals voted and 60 % of the Independents voted. A person is randomly selected.
a) P( the person voted)
b) If the person voted find the probability the voter is:
i) Conservative
ii) Liberal
iii) Independent
Identifying H0and Hr in ex 5-12 , examine the given statement , then express the null hypothesis H0 and alternative hypothesis H1 in symbolic form.
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Assume that female students' heights are normally distributed with a mean given by µ = 67.2 in. and a standard deviation given by σ = 3.6 in.
The scores of the GRE exam are transformed so they have a mean of 500 and standard deviation of 100. The scores are known to be normally distributed. What is the percentage of students that score below 750?
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For the population with mean of (u)=50 and standard deviation of (o)=10, how much error on average would you expect between sample mean (M) and population mean for given samples
Here are numbers of right identifications by 24 children in Active group: 24 children in Passive group had these counts of correct identifications: Is there good evidence which active learning is superior to passive learning?
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