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In a survey of 601 males ages? 18-64, 392 say they have gone to the dentist in the past year. Construct? 90% and? 95% confidence intervals for the population proportion. Interpret the results and compare the widths of the confidence intervals. If? convenient, use technology to construct the confidence intervals. The? 90% confidence interval for the population proportion p is left parenthesis nothing comma nothing right parenthesis . ?(Round to three decimal places as? needed.) The? 95% confidence interval for the population proportion p is left parenthesis nothing comma nothing right parenthesis . ?(Round to three decimal places as? needed.) Interpret your results of both confidence intervals. A. With the given? confidence, it can be said that the sample proportion of males ages? 18-64 who say they have gone to the dentist in the past year is between the endpoints of the given confidence interval. B. With the given? confidence, it can be said that the population proportion of males ages? 18-64 who say they have gone to the dentist in the past year is not between the endpoints of the given confidence interval. C. With the given? confidence, it can be said that the population proportion of males ages? 18-64 who say they have gone to the dentist in the past year is between the endpoints of the given confidence interval. Which interval is? wider? The? 90% confidence interval or The? 95% confidence interval
In a study that examines the effect of a peer mentor on the heart rate of patients, what is the dependent variable? Peer mentoring, Emotional status, Heart rate or Patients.
A journal article was recently published about typing skills, and in this article, the results of a national typing test were reported. The authors of the article claim that the population of those considered to be "skilled" typists can type an avera..
Problem 1. An internet service provider (ISP) provides internet connections to 100,000 customers. 10,000 of the customers have high-speed connections and 90,000 of the customers have low-speed connections. The ISP wants to know whether, on the ..
The Mann-Whitney test, or none of these tests?
Given the following unit learning curve equation, which statement is correct? (X)-0.286304 Possible answers:a) 127 is the theoretical cost of the first unit.b) Y represents the cost of the first unit.c) 127 represents the unit you are estimating.d)..
an investigator wants to assess whether smoking is a risk factor for pancreatic cancer. electronic medical records at a
Find the upper and lower readings
Compute the single-sample z-test to see if caffeine reduces dreamtime. Test the null hypothesis at the .05 level of significance.
What statistical method can you apply using this data?
A survey of 50 lobster fishermen on Funafuti (an island in Tuvalu), found that they catch an average of 32 pounds of lobster per day with a standard deviation of four pounds.a) If a fisherman is selected randomly, what is the probability that hi..
Determine whether the given value is a statistic or a parameter.
A few days ago you answered a question I had on probability. The original equation was R(t)=a^(-bt). In your answer you changed it to R(t) = a* e^(-bt). Can you explain why you added the e?
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