Hypothesis Testing  - 2

Hypothesis Testing - 2

12th Grade

15 Qs

quiz-placeholder

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Hypothesis Testing  - 2

Hypothesis Testing - 2

Assessment

Quiz

Mathematics

12th Grade

Practice Problem

Easy

CCSS
HSS.IC.B.3

Standards-aligned

Created by

Alicia Ipina

Used 3+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

In a random sample of 1000 adult Americans, 700 indicated that they oppose the reinstatement of a military draft. Is there convincing evidence that the proportion of American adults who oppose the reinstatement of the draft is different from two-thirds? State the null hypothesis.

Ho: p < 2/3, where p is the true proportion of American adults who oppose the reinstatement of the draft.

Ho: p > 2/3, where p is the true proportion of American adults who oppose the reinstatement of the draft.

Ho: p = 2/3, where p is the true proportion of American adults who oppose the reinstatement of the draft.

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

In a national survey of 2013 adults, 1283 indicated that they believe rudeness is a more serious problem than in years past. Does this indicate that more than 3/4 of American adults believe rudeness is a worsening problem? State the null hypothesis.

Ho: p > .75, where p is the true proportion of Americans who believe rudeness is worsening.

Ho: p = .75, where p is the true proportion of Americans who believe rudeness is worsening.

Ho: p < .75, where p is the true proportion of Americans who believe rudeness is worsening.

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Suppose the P-value for a hypothesis test is 0.0304. What is the appropriate conclusion?

a) Reject the null hypothesis

b) Reject the alternative hypothesis

c) Fail to reject the null hypothesis

d) Fail to reject the alternative hypothesis

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

The weight of the average 6th grade student's backpack (with books in it) is 18.4 lbs. The principal of the school thinks that the backpack does not weight 18.4 lbs. What is the null and alternate hypothesis? 

H0 = 18.4
Ha = 18.4
H0 = 18.4
Ha > 18.4
H0 = 18.4
Ha < 18.4
H0 = 18.4
Ha ≠ 18.4

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

In a survey of 526 US businesses, 400 indicated that they monitor employee's web site visits. Is there sufficient evidence that more than 70% of US businesses monitor employees' web site visits? State the null hypothesis.

Ho: p = .70, where p is the true proportion of US businesses that indicated they monitor employee web sites.

Ho: p < .70, where p is the true proportion of US businesses that indicated they monitor employee web sites.

Ho: p > .70, where p is the true proportion of US businesses that indicated they monitor employee web sites.

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which of the following is the FIRST step of a hypothesis test?

Check assumptions & conditions
Find your test statistic
State your conclusion
State your null & alternative hypotheses

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the only option for the null hypothesis? 

H0 = k
H0 > k
H0 < k
H0 ≠ k

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