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The superintendent of a unified school district of a small town wants to make sure that no more than 5% of the students skip more than 10 days of school in a year. A random sample of 145 students from a population of 800 showed that 12 students skipped more than 10 days of school last year. What is the upper bound or limit of the 95% confidence interval for the proportion of students who skipped more than 10 days of school last year
A) .1978
B) .1168
C) .1231
D) .1268
Suppose investigators are interested in a population of patients who have been recently diagnosed with a particular kind of colon cancer (nonpolypoid colorectal neoplasm).
Temperature in certain city for the month of June follows a uniform distribution over the interval 61° F to 91° F. Find the temperature which 90% of the June days exceeds?
Which of the following is true regarding ANOVA? a) It is used to test for a difference in medians among three or more populations
What are the null and alternative hypotheses in this situation?
According to Bienayme-Chebyshev rule, what percentages of these funds are likely to be within ±2 standard deviation of mean?
What is the purpose of statistical estimation? What statistics do you find most useful in regression analysis? Why?
What does the intercept mean in this context? What is the estimated percent decline in visual field per year?
The flashlight batteries produced by one of the northern manufacturers are known to have an average life of 60 hours with a standard deviation of 4 hours. Use Chebyshev's theorem to answer the following questions.
Although the rules of probability are just basic facts about percents or proportions, we need to be able to use the language of events and their probabilities.
What is the difference between the critical-value method and the p-value method of hypothesis testing? Include in your post how the question's topic pertains to your health discipline.
Approximately 65% of all marketing personnel are extroverts, whereas about 50% of all computer programmers are introverts.
Use either Linear Programming module or Transportation module of Cd to minimize the shipping costs involved in move.
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