According to AC Lens, green eye color is one of the rarest with only 2% of the world's population having that eye color. A random sample of 1000 people from around the world are selected. Let ?ˆp^ be the proportion of the sample which has green eyes. What is the mean of the sample proportion? Answer

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A: Claim; μ>136mm                x=148                s=15

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A:

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A: Population mean in case of proportion is given by = np Where  n= sample size p=proportion

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A:

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Q: In the previous study done by a student, it was found out that 28.5% of the students used twitter.…

A: Solution: From the given information, p=28.5%=0.285, Confidence level is 0.95 and E=0.035.

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A:

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A: here given ,  A federal auditor for nationally chartered banks, from a random sample of 100…

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A: Basics of sampling distribution of mean:The sampling distribution of the sample mean is essentially…

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A: Option 1 A) n=3794 Explanation:

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A:

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Q: A researcher studying stress is interested in the blood pressure measurements of chief executive…

A: Given data A researcher studying stress is interested in blood pressure measurements He has a good…

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A:

Q: The governor of Florida would like to estimate the mean age of all Florida residents. To do so, he…

A: The population is the set of all subjects of interest.

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A:

Q: In 1995, it was determined that 78% of US citizens supported a ban on household aerosols.  Thinking…

A:

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Q: If the percentage of defective in a factory was 0.30, a random sample of 200 units was taken, and 50…

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A: Given that there are 24 families in the sample.  Mean=31 Median=27.2 7th percentile= 16 hours

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A:

Q: A survey reported that 68% of registered voters in California approved of allowing two people of the…

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Q: Turkey has a great literary tradition that spans centuries. One might assume, then, that the Turkish…

A: n1 = 1004p1 = 0.86   n2 = 1009p2 = 0.81

Q: What proportion of the distribution of sample means is between a z  of 1.34 and z of -1.00?

A: P(1.34<z<-1.00)=?

Q: A study found that 1.21% of Social Security recipients are too young to vote. If 800 Social Security…

A:

Q: Then the mean number (to the nearest whole number) of students who will finish the exam in less than…

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A:

Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.