AnswersCREDIT RE-SEAT MNPS Integrated Math III IC S2 26-27Hypothesis Testing

Hypothesis Testing Answers

9 verified answers2 views
1
Free Preview

What is the null hypothesis, , for this situation?

Question illustration
A
Option
B
Option
C
Option
D
Option
2
Free Preview

The hypothesis represents the statistical claim that the company’s tablet computers have an average recharge time of less than 3 hours.

Answer:

alternative

3

What is the alternative hypothesis,, for this situation?

Question illustration
A
Option
B
Option
C
Option
D
Option
4

Which type of significance test should be used for this situation?

A
a left-tailed test
B
a two-tailed test
C
a right-tailed test
5

= –

Question illustration
Answer:

1.65

6

=

Question illustration
Answer:

-2.5

7

Based on the z-statistic of –2.5 for the sample data, should the null hypothesis be rejected?

A
Yes, because the z-statistic lies within the critical region.
B
Yes, because the z-statistic lies outside of the critical region.
C
No, because the z-statistic lies within the critical region.
D
No, because the z-statistic lies outside of the critical region.
8

The speed limit on a road is 45 mph. You want to clock the speed of a random sample of cars to test the hypothesis that the average speed of cars is greater than the speed limit. What kind of test would you use?

A
a left-tailed test
B
a two-tailed test
C
a right-tailed test
9

Based on the hypothesis test, what conclusion can you draw about the statistical claim that the average recharge time of the tablet computers is 3 hours?

A
The claim should be accepted.
B
The claim should be rejected.
C
There is not enough evidence to reject the claim.

Did you find these answers helpful?

More from this Course

Assignment
32 verified answers

Hypothesis Testing

Assignment
22 verified answers

Radian Measure

Assignment
27 verified answers

The Unit Circle