Question

A high school principal was concerned about the time his students were spending too much on internet in a week He randomly selected 50 students and found that mean time on internet was home work was 52.58 hours. Assume that the population standard deviation was 10.2 hrs. Use alpha:=0.10α = 0.10 to test his claims that his students spend significantly more than 50 hours in a week. In this case, null hypothesis H0 is In this case, Test statistics TS Group of answer choices t = - 1.49 z = 1.79 t = 1.49 z = 1.04 n this case Critical value(s) , p-value are Group of answer choices LaTeX: 1.28\:,\:0.037 1.28 , 0.037 LaTeX: -1.28\:,\:0.963 − 1.28 , 0.963 LaTeX: -1.28,\:0.999 − 1.28 , 0.999 − 1.28 , 0.999 − 1.28 , 0.999 LaTeX: 1.28\:,\:0.101 Which of the following decision is correct about the original claim Group of answer choices Enough evidence to reject the original claim Not enough evidence to support the original claim Not enough evidence to reject the original claim Enough evidence to support the original claim

Answer 1