Question 1 20 pts The symbol p, (phat) stands for O Population Proportion O Sample Proportion O Confidence Interval O Z score Question 2 20 pts A 90% confidence interval for the proportion of twelfth-grade students who chose math as their favorite subject is (0.43, 0.51). What was the point estimate or sample proportion used to calculate the interval? 0 0.43 0 0.94 0 0.08 O 0.47Question 3 20 pts A 90% condence interval for the proportion of twelfth-grade students who chose math as their favorite subject is (0.43, 0.51). What was the margin of error used to calculate the interval? 0 i004 0 i002 0 i008 0 i047 What critical value of z or 2* should be used in an 85% condence interval? 0 1.282 O 1.440 O 1.645 O 1.960 Question 5 20 pts One hundred rats were exposed to high levels of e-cigarette smoke and were then put through a simple maze. . They could make a choice between going left and going right. . An SRS of 100 rats was chosen to be part of the experiment. . Eighty of the 100 rats went right when running through the maze. . All conditions for inference have been met, Construct a 90% condence interval for the proportion of rats that run right when going through the maze the rst time. Q (0.71, 0.89) O (0.722, 0.878) O (0.76, 0.84) O (0.734, 0.736)