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According to a nationwide survey, 60% of parents with young children condone spanking their child as a regular form of punishment. (Tampa Tribune, Oct. 5, 2000) Consider a random sample of three people, each of whom is a parent with young children. Assume that x, the number in the sample that condone spanking, is a binomial random variable.
a) What is the probability that none of the three parents condone spanking as a regular form of punishment for their children?
b) What is the probability that at least one condones spanking as a regular form of punishment?
Create the acceptance-rejection technique for creating the geometric random variable, X, with parameter p on range {0, 1, 2, ...}.
To test whether or not there is a difference between treatments A, B, and C, a sample of 12 observations has been randomly assigned to the 3 treatments.
Determine the value of the finite population correction factor if population size is 1000 and the sample size is 300? What is the smallest sample size for which finite population correction factor must be Used?
Obtain a test statistic and p-value assuming equal variances. Interpret these results.
Consider the case where we have n observations, sampled from a binomial pdf (our parameter estimator can therefore be given by X/n). Assume that the margin of error is 6%.
What is the standard deviation of expected returns for Stock X? For Stock Y?
What is the probability that the person thinks that "Made in America" ads boost sales and uses social media online?
The article can be on Descriptive Statistics, Probability and the Normal Distribution, Sampling and Sampling Distributions, Regression Analysis, or Time Series Forecasting.
Calculate the expected value of this undertaking (make sure to take into account the thief's initial wealth).
What are the main differences between descriptive and inferential statistics? Give examples of each. When would random sampling not be the best approach to sample selection? Give an example.
A large population of overdue bills has balances that follow a normal curve. When we take a sample of 100 of these the average is $500 and the standard deviation is $100. (a) what statement can you make about the range $300 to $700? (b) what state..
In analyzing two independent small samples you notice that the standard deviation for both samples are the same. How does this affect the S2p (the pooled variance)? Explain your answer.
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