in the largest cinical trial ever conducted, 401,374 children were randomily ass

Question

in the largest cinical trial ever conducted, 401,374 children were randomily assigned to two groups The treatment group consisted of 201 229 children given the Salk vaccine for polio, and the other 200,745 children were given a developed polio. If we want to use the r that the rate of polio is less for children given the Saik vaccine, are the requirements for a hypothesis test satisfied? ong those in the treatment group, 33 developed polio, and among those in the placebo group, 115 Explain Choose the correct answer belo O A. The requirements are not satisfied, the sampies are not simple random samples that are independent The requirements are satisifed, the samples are simple random samples that are independent, and for each of the two groups, the sample size is at least 1000 The requirements are satisfied, the samples are simple random samples that are independent, and for each of the two groups, the number of successes is at least 5 and the number of failures is at least 5 ° C. O D. The requirements are not satisfied the difference between the rates of those that developed polio in the two groups is not statistically significant

Explanation / Answer

Solution:- option C. The requirements are satisfied; the samples are simple random samples that are independent, and for each of the two groups, the number of successes is at least 5 and the number of failures is at least 5.

Related Questions

Navigate

• Browse (All)
• Browse I
• Subjects

---

---

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