The mean number of unprovoked shark attacks per year in the USA is 36.33, with a

Question

The mean number of unprovoked shark attacks per year in the USA is 36.33, with a standard deviation of 13.16 and is believed to be normally distributed. However, in the years 2000 and 2001, the mean number of unprovoked shark attacks was 54.5. Were the years 2000 and 2001 unusually dangerous for those who use the water for recreation? (Note that the sample size is two since there are two years.) What set of hypotheses would you use to answer the question posed above? A. H0: ? < 54.5 attacks H1: ? > 54.5 attacks A. H0: ? = 54.5 attacks H1: ? ? 54.5 attacks A. H0: ? = 36.33 attacks H1: ? ? 36.33 attacks A. H0: ? < 36.33 attacks H1: ? > 36.33 attacks A. H0: ? > 36.33 attacks H1: ? < 36.33 attacks

Explanation / Answer

here we will use
H 0 : >36.33 attacks

H 1 : <=36.33 attacks

Related Questions

Navigate

• Browse (All)
• Browse T
• Subjects

---

---

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