. Question 6 8 pts 9 1 Test the claim that the mean salary in a town is at least $66000. A random sample 50 salaries yields an average of $65881.21. Use a = 0.01, and assume that o = $1400. 1. The sample size restriction for this test is: None needed since population is normally distributed O Need at least 5 successes and 5 failures O Need n > 30 The hypotheses are: O Ho: M = 66000; Ha: M # 66000 O Ho:p 66000 O Ho:p = 66000; Ha:p # 66000 O Ho: / 66000 O Ho:p 2 66000; Ha:p a O Do not reject Ho since P oThe conclusion is: '3' There is insufficient evidence to support the claim that the mean salary is at least $66000 '31:? There is insufficient evidence to reject the claim that the mean salary is at least $66000 '33:? There is sufficient evidence to support the claim that the mean saary is at least 566000 '33:? There is sufficient evidence to reject the claim that the mean salary is at least $66000