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In a program designed to help patients stop? smoking, 185 patients were given sustained? care, and 82.2?% of them were no longer smoking after one month. Use a 0.10 significance level to test the claim that 80?% of patients stop smoking when given sustained care.
a. Identify the null and alternative hypotheses for this test.
b. What is the test statistics
c. What is the P-value
d. What is the Conclusion
How many students expect will be unable to complete the exam in allotted time?
A January 2007 Gallup Poll question asked, In general, do you think things have gotten better or gotten worse in this country in the last five years?
At 0.01 level of significance, is there evidence that mean price is higher at Whole Foods Market than at Fairyway supermarket? Interpret the meaning of p-value in (i).
"Find the Probability that both are Republicans." "What is the probability that the two governors selected have the same political party?"
1) Given the above information, what is the probability of an individual in the ward not being a smoker and having lung cancer?
Refer to the previous problem and suppose that both m and s 2 are unknown. Then a con?dence interval for m with approximate con?dence coef- ?cient 1 - a is given be relation (20).
Make up a mnemonic device that has not been submitted that relates to one of the courses in which you are enrolled.
Explain how the null hypothesis is the basis of this calculation. Determine the value of the relevent test statistic and the corresponding p-value.
Suppose two measurements, Y1 and Y2, corresponding to different treatments, are taken on the same individual who has been randomly sampled from a population.
Distinct random variable
If you know the odds, you can find the probability by solving the preceding equation for odds for the probability. So, p^= odds/(odds + 1). If the odds of an outcome are 3 (or 3 to 1), what is the probability of the outcome?
below you are given a payoff table involving two states of nature and three decision alternatives.decision alternative
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