A humane society claims that less than 39% of U.S. households own a dog. In a ra

Question

A humane society claims that less than 39% of U.S. households own a dog. In a random sample of 393 U.S. households, 156 say they own a dog. At alpha = 0.04, is there enough evidence to support the society's claim? Complete parts (a) through (e) below using the given information. When you know the number of successes x, the sample size n, and the population proportion p, it can be easier to use the formula shown below to find the standardized test statistic when using a z-test for a population proportion p. z = x - np/squareroot npq (a) Write the claim mathematically and identify H_0 and H_a. Choose the correct answer below. A. H_0: p

Explanation / Answer

the correct answer is

option b

H0:p=0.39

Ha: p not equal to 0.39

null and alternative hypothesis

Related Questions

Navigate

• Browse (All)
• Browse A
• Subjects

---

---

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