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Favorable View of Americans - According to the Pew Global Attitudes Project, 80% of Americans in 2011 had a favorable view of Americans. Thinking this rate sounds too low, Sarah takes a random sample of 13 students at her school and asks each of them if they have a favorable view of Americans. She wants to use her results to assess if the population proportion today is higher than the established rate reported by the Pew Global Attitudes Project in 2011. Her survey resulted in 12 students reporting that they had a favorable view of Americans. Use these results to conduct the appropriate test at a 5% significance level. Sarah wishes to test the following hypotheses: H0: p=0.80 Ha: p>0.80. Which of the following is the corresponding p-value?
undergrad students in a section of stat 225 are classified as lower classmen freshman and sophomores and upper classmen
At the time of the purchase, the spot rate of the pound is $1.38 and rises to $1.45 by the expiration date. What is the highest net profit possible?
given the following profit table determine the minimax regret decision.states of
intel purchases electronic chips from a supplier whos chips are defective only 5 of the time. determine the sample size
1. If you were Sandy, what would be your suggested sales plan? 2. How would a value analysis enter into your presentation?
listed below are the durations in hours of a simple random sample of all flights of a space shuttle program. find
The following data represents the number of rooms in a random sample of U.S. housing units.
For people with a certain disease, the length of time Y spent in remission is described by the following pdf
Criticize the following definitions in light of the eight rules for lexical definitions:- "Semantics" is when somebody studies words.
Given that he makes first, assume probability that he makes second is 0.60. Given that he misses first, assume probability that he makes second one is 0.40.
How many paper shredders are in the offices that have the most paper shredders? How many offices have two paper shredders?
Researcher A observes a sample of 10 subjects four times and decides to retain the null hypothesis. Researcher B also observes a sample of 10 subjects four.
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