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Random sample of 200 couples that bought a counseling book. 158 of the couples stayed together. Based on this compute a 95% confidence interval for the proportion of the couples who bought the book who stayed together.
What is the lower limit of the 95% CI?
What is the upper limit of the 95% CI?
are 14 of mampm candies yellow? mars claims that 14 of its plained candies are yellow and a sample of 100 such candies
Given the following information, compute the PVP using Bayes' Theorem. Prevalence = 20% Sensitivity = 50% Specificity = 75%
The data given shows daily sales at the petrol station. Compute Karl Pearson's co -efficient of skewness. Quantity sold (in litres) and No. of days. are given.
Do hotel managers on average vary significantly in femininity score from men in general?
Parents with alleles B and O. Nancy and David both have alleles B and O.- What blood types can their children have?- What is the probability that their next child has each of these blood types?
Data is given in the table below. Process data as illustrate in the paper on the Mann-Whitney U test. Critical Value:Test Statistic (Show procedure.)Z .
Briefly describe correlational research. Name a variable from the workplace that might prove to provide a correlational relationship and explain why you would choose these two?
If 16 measurements are taken and the standard deviation is 2.1 mg/dl is there enough evidence to support the claim that her standard deviation is greatear than the target at a = 0.01?
Suppose you are a researcher who has collected and analyzed a sample of values. When you perform a hypothesis test the p-value is calculated to be 0.051. Would you reject or fail to reject the null hypothesis? Defend your choice.
An economics course are independent events, what is the probability that a randomly selected student is registered in either a math course or an economics course?
1- as the confidence level increases while me stays the same does the required sample size increase decrease or stays
An exam consists of 10 true or false questions. If a student guesses at every answer, what is the probability that he or she will answer exactly six questions correctly? (Round the answer to three decimal places)
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