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In a study was conducted concerning the relationship between pet ownership and physical activity in older adults. Of the randomly sampled individuals, 65 subjects reported that they owned a pet while 199 reported that they did not own pet. Give a 99% confidence interval for the proportion of older adults in this population who are pet owners. In the following use 4 decimal places.
a) What is the lower limit of the confidence interval?
b) What is the upper limit of the confidence interval?
two prison inmates communicate in binary by tapping on the adjacent wall. suppose that the probability of receiving a
The 5-step approach to hypothesis testing and an explanation of your decision to reject or fail to reject the null hypothesis.
According to a recent survey, 275 of 400 middle-aged Americans said they used the Internet regularly. 140 of 400 senior citizens said they used the Internet regularly.
Use the value of the linear correlation coeffient of determinatiom. what does this tell you about the explained variation of the data about the regression line?
consider the recurrence relation an 2an ? 1 3n.a write the associated homogeneous recurrence relation.b find the
the body mass index bmi of an individual is one measure that is used to judge whether an individual is overweight or
What are the pros and cons of selecting an established theoretical or conceptual model or framework? What are the pros and cons of creating/developing your own?
question based on comparing the computed chi square with the critical value for chi square which if the following is
The Wilcoxon signed rank test is computed for the data and gives a value W + = 161.5. Using the Normal approximation (without the continuity correction) the P-value.
a gambler plays roulette and makes a 1 bet on four numbers 400 times. the bet pays 8 to 1. find the chance that the
How large a sample would be necessary to estimate the population proportion with a margin of error of 0.05 at 95% confidence?
Determine whether there is suffcient evidence to support the clain that the new balls have bounce heights with a mean different from 92.84 in. Does it appear that the new baseballs are different?
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