Question

Please answer all 3 questions

Question 21 1 pts Express the null hypothesis Ho and the alternative hypothesis Hy in symbolic form. Use the correct symbol (.p.o)for the indicated parameter. A psychologist claims that more than 4.6 percent of the population suffers from professional problems due to extreme shyness. Use p, the true percentage of the population that suffers from extreme shyness. O Ho:p> 4.6% H:ps 4.6% O Ho:p-4.6% H:P < 4.6% O Ho:P 5 4.6% H:p> 4.6% O Ho:p < 4.6% H:p2 4.6% O None of the above

Answer 1

The solution to this problem is given by

Solution Aus al. The collect auswel is Hoi b < 4.6 % Because more than " } 130 Hii p > 466 % claim is yob y of the bobulation suffers from brofessional problemi, Ani (22) Given Qo'05 P ( commiting tybe one nao error) =pl Reject null hypothesis ) { x=0.05 At most 0:05 Sol the correed answer is Ans (19) Claim : Mean equal o to 1612 inches X = Oiol So, Pl commiting tybe one error ) = x Plcommuiting type one errors a ool ll The colleet answer is At most 0101