Please help with a-e.

For a please put the correct variable, even if you have to hand write it

For b the options are: z, t, chi-square, or F

A presidential candidate's aide estimates that, among all college students, the proportion / who intend to vote in the upcoming election is at least 70%. If 151 out of a random sample of 220 college students expressed an intent to vote, can we reject the aide's estimate at the 0.0) level of significance? Perform a one-tailed test. Then complete the parts below. Carry your intermediate computations to three or more decimal places and round your answers as specified in the table. (If necessary, consult a list of formulas.) (a) State the null hypothesis Ho and the alternative hypothesis . P H : 0 X S H : 1 (b) Determine the type of test statistic to use. (Choose one) 0=0 050 020 (c) Find the value of the test statistic. (Round to three or more decimal places.) *0 00 (d) Find the p-value. (Round to three or more decimal places.) X 5 ? (e) Can we reject the aide's estimate that the proportion of college students who intend to vote is at least 70%? O Yes ONo