Question: A simple random sample of size n 785 adults
A simple random sample of size n = 785 adults was asked if they follow college football. Of the 785 surveyed, 275 responded that they did follow college football.Construct a 95% conﬁdence interval for the population proportion of adults who follow college football. Construct the appropriate conﬁdence interval.
Answer to relevant QuestionsA simple random sample of size n = 12 is drawn from a population that is normally distributed. The sample mean is found to be x̄ = 45, and the sample standard deviation is found to be s = 14. Construct a 90% conﬁdence ...Based on a poll conducted by the Centers for Disease Control, 862 of 1013 randomly selected adults said that they always wear seat belts. Construct and interpret a 95% conﬁdence interval for the proportion of adults who ...According to creditcard.com, the mean outstanding credit-card debt of college undergraduates was $3173 in 2010. A researcher believes that this amount has decreased since then. (a) Determine the null and alternative ...The proportion of patients who visit the emergency room (ER) and die within the year is 0.05. Suppose a hospital administrator is concerned that his ER has a higher proportion of patients who die within the year. In a ...Explain the procedure for testing a hypothesis using the P-value Approach. What is the criterion for judging whether to reject the null hypothesis?
Post your question