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a sample of the personal

In a simple random sample of 135 households, the sample mean number of personal computers was 1.22. Assume the population
1. 7 answers
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Suppose that 30% of all telephone calls at work are for personal reasons. If a random sample of 15 is taken, let X be the number
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2. asked by Anonymous
3. 563 views
Which of the following statements about the two sample sizes is NOT true? Assume thepopulation standard deviations are equalA.
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2. asked by arelis
3. 754 views
According to recent surveys, 60% of households have personal computers. If a random sample of 180 households is selected, what
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a sample of the personal files of eight male employees revealed that, during a six-month period, they lost the following number
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2. asked by tim
3. 503 views
7. The president of a university would like to estimate the proportion of the student population that owns a personal computer.
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2. 104 views
7. The president of a university would like to estimate the proportion of the student population that owns a personal computer.
1. 1 answer
2. 102 views
To make valid statistical inferences from a sample to a population, you use:a judgement sample a quota sample a convenience
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Two samples of double-stranded DNA have been prepared. Nucleotide analysis reveals that sample 1 is found to be 21% A, while
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2. asked by Kate
3. 949 views
The function f (x) = 735 (1/2)^x models the number of grams in a sample of a radioactive substance after x years. Which
1. 3 answers
2. 116 views