11) Use the given claim to express Ho and Ha in symbolic form. Claim: the percentage of Australians who have heard of former #1 golfer Greg Norman is greater than 80%. Ho:p ≤ 80% a) Ha: p > 80% Ho:p ≥ 80% b) Ha: p < 80% Ho:μ < 60 a) Ha: μ 2 60 Ho:p = 80% c) Ha: p + 80% Ho: μ = 60 b) Ha: μ > 60 12) Use the given claim to express Ho and Ha in symbolic form. Claim: the mean number of 2008 Ford Super Duty F250 pickup trucks sold by all Wisconsin Ford dealers was under the 60 required by Ford headquarters. d) Ho: μ = 60 c) Ha: μ # 60 Ho:p> 80% Ha: p ≤ 80% d) Ho:μ ≥60 Ha:μ<60
ter 15) Assume normal distribution. Find the critical z value(s): right-tailed, a=0.02. a)-2.05 b) -1.96 c) -2.33 16) Assume normal distribution. Find the critical z value(s): a=0.05, Ha:p<0.50 b) -1.64 c) ±1.64 a)-1.96 d) 2.05 d) ±1.96
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