Compute an 84% confidence interval for a population mean, then the value of z (r

Question

Compute an 84% confidence interval for a population mean, then the value of z (rounded to three decimal places) will be (a) 0.994 (b) 1.405 (c) 0.987 (d) None of the above A taste test is given to 40 randomly chosen subjects. Each subject tastes three colas, Cola 1, Cola 2, and Cola 3, and then chooses which one they prefer. Let X be the number of subjects that choose Cola 1 as their preferred cola. Assuming the subjects are choosing their preferred cola randomly (i.e., there is no preference for one cola over the other), then X has a binomial distribution with parameters n = _____ and p = _____. (a) 40, 0.333 (b) 3, 0.333 (c) 15, 0.500 (d) None of the above

Explanation / Answer

9.

The 84% is therefore, 84/2 +50 = 92%.

Now, for 92% is b) 1.405

So, answer is b

Related Questions

Navigate

• Browse (All)
• Browse C
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.