22.14 Cocaine Traces in Spanish Currency, continued. The plus four method is particularly useful when there...
The plus four method adds four observations,two successes and
two failures. What are the sample size and the count of successes
after you do this? What is the plus four estimate p of the
proportion p in the population of patients treated for SARS who
develop recurrent fever?
Give the plus four 95% confidence interval for p.
19.7 Clinical progression of SARS. Severe acute respiratory syndrome (SARS) is a viral respiratory illness that was first reported in Asia in 2003...
Answer is A !Note: Use the Agresti-Coull “plus four” method of
forming a CI for p. Please show the work
Traces of illegal drugs were found on 8 of a random sample of 60 bills. A 95% confidence interval for the population proportion of tainted bills is which one of the following? (A) 10/64 (1.960)V(10/64)(1-10/64)/64 (B) 8/60± (1.645)V(8/60)(1-8/60)/60 (C) 8/60 t (1.960)(8/60)(1 - 8/60)/60 (D) 10/64± (1.645) V (10/64)(1-10764)/ 64