Find size of the sample to estimate test scores with 90% confidence, being sure that result will be within 3 points of the true population mean µ. Standard deviation= 12. (Don’t forget to round everything up – conservatively) ( find Z-a/2, Error, n).

Which of the following values cannot be probabilities? 0.08, 5 divided by 3, startroot 2 endroot, negative 0.59, 1, 0, 1.44, 3 divided by 5 select all the values that cannot be probabilities. a. five thirds b. 1.44 c. 1 d. startroot 2 endroot e. three fifths f. 0.08 g. 0 h. negative 0.59