please assist me on working these out? I already completed these, and didn't do well, and need to work these out so I am ready for the final. The tutors here always so helpful.

Question 1 (1 point) Express the null hypothesis, H0, and alternative hypothesis, H1 in symbolic form.

An educational research group claims that fewer than 3 in 10 textbooks are free of conceptual errors or omissions.

Question 1 options:

H0: p0.300 H1: p>0.300

H0: p=0.300 H1: p>0.300

H0: p=0.300 H1: p<0.300

H0: p0.300 H1: p<0.300

Question 2 (1 point) Express the null hypothesis, H0, and alternative hypothesis, H1 in symbolic form.

An internet marketing service claims that fewer than 31% of full-time college students purchased textbooks online.

Question 2 options:

H0: p0.31 H1: p>0.31

H0: p=0.31 H1: p>0.31

H0: p0.31 H1: p<0.31

H0: p=0.31 H1: p<0.31

Question 3 (1 point) Express the null hypothesis, H0, and alternative hypothesis, H1 in symbolic form.

A consumer advocacy group claims that 40% of homeowners have inadequate insurance coverage.

Question 3 options:

H0: p=0.40 H1: p<0.40

H0: p=0.40 H1: p0.40

H0: p0.40 H1: p=0.40

H0: p=0.40 H1: p>0.40

Question 4 (1 point) Express the null hypothesis, H0, and alternative hypothesis, H1 in symbolic form.

A biologist claims that at least 12 of the 40 frog species in an conservation area are endangered.

Question 4 options:

H0: p0.300 H1: p>0.300

H0: p=0.300 H1: p>0.300

H0: p0.300 H1: p<0.300

H0: p=0.300 H1: p<0.300

Question 5 (1 point) Express the null hypothesis, H0, and alternative hypothesis, H1 in symbolic form.

Tutor King claims that students who complete the preparatoty course will score at least 72 on the college placement exam.

Question 5 options:

H0: =72 H1: >72

H0: 72 H1: >72

H0: 72 H1: <72

H0: =72 H1: <72

Question 6 (1 point) Express the null hypothesis, H0, and alternative hypothesis, H1 in symbolic form.

Healthnow products claims that its lunch package contains at most 420 calories.

Question 6 options:

H0: 420 H1: <420

H0: 420 H1: >420

H0: =420 H1: <420

H0: =420 H1: >420

Question 7 (1 point) Express the null hypothesis, H0, and alternative hypothesis, H1 in symbolic form.

Sendit Services claims that packages sent via express service weigh at most 24 ounces.

Question 7 options:

H0: =24 H1: >24

H0: =24 H1: <24

H0: 24 H1: >24

H0: 24 H1: <24

Question 8 (1 point) Express the null hypothesis, H0, and alternative hypothesis, H1 in symbolic form.

Hybrid Auto Inc. claims that its new compact SUV gets at least 38 mpg.

Question 8 options:

H0: 38 H1: >38

H0: 38 H1: <38

H0: =38 H1: <38

H0: =38 H1: >38

Question 9 (1 point) Medical Research Laboratories claims that at most 4 out of 10 patients showed improvement from a new allergy treatment. Find the critical value(s) for a hypothesis test at the 0.05 level of significance.

Question 9 options:

-1.96

1.645

-1.645

1.96

Question 10 (1 point) Medical Research Laboratories claims that at most 6 out of 10 patients showed improvement from a new allergy treatment. Find the critical value(s) for a hypothesis test at the 0.01 level of significance. Question 10 options:

-2.33

-2.575

2.33

2.575