The CEO of a cable company claims that the mean wait time for callers at the company's customer service center is no morethan 7 minutes. A random sample of 36 customers who called the company's customer service center has a mean wait timeof 8.03 minutes with a standard deviation of 2.14 minutes. Using an alternative hypothesis Ha : 7, find the p-valuerange for the appropriate hypothesis test.Values for right-tail areas under the t-distribution curve0.01ProbabilityDegrees of Freedom300.100.050.0250.0051.3101.3091.3091.3081.3071.3061.3061.3051.3041.3041.3031.6971.6961.6941.6921.6911.6901.6881.6871.6861.6851.6842.0422.0402.0372.0352.0322.0302.0282.0262.0242.0232.0212.4572.4532.4492.4452.4412.4382.4342.4312.4292.4262.4232.7502.7442.7382.7332.7282.7242.7192.7152.7122.7082.7043234353637383940

Question
Asked Mar 30, 2019

Select the correct answer below:

 

0.025< p-value <0.05

 

0.005< p-value <0.01

 

p-value <0.005

 

0.01< p-value <0.025

 

The CEO of a cable company claims that the mean wait time for callers at the company's customer service center is no more
than 7 minutes. A random sample of 36 customers who called the company's customer service center has a mean wait time
of 8.03 minutes with a standard deviation of 2.14 minutes. Using an alternative hypothesis Ha : 7, find the p-value
range for the appropriate hypothesis test.
Values for right-tail areas under the t-distribution curve
0.01
Probability
Degrees of Freedom
30
0.10
0.05
0.025
0.005
1.310
1.309
1.309
1.308
1.307
1.306
1.306
1.305
1.304
1.304
1.303
1.697
1.696
1.694
1.692
1.691
1.690
1.688
1.687
1.686
1.685
1.684
2.042
2.040
2.037
2.035
2.032
2.030
2.028
2.026
2.024
2.023
2.021
2.457
2.453
2.449
2.445
2.441
2.438
2.434
2.431
2.429
2.426
2.423
2.750
2.744
2.738
2.733
2.728
2.724
2.719
2.715
2.712
2.708
2.704
32
34
35
36
37
38
39
40
help_outline

Image Transcriptionclose

The CEO of a cable company claims that the mean wait time for callers at the company's customer service center is no more than 7 minutes. A random sample of 36 customers who called the company's customer service center has a mean wait time of 8.03 minutes with a standard deviation of 2.14 minutes. Using an alternative hypothesis Ha : 7, find the p-value range for the appropriate hypothesis test. Values for right-tail areas under the t-distribution curve 0.01 Probability Degrees of Freedom 30 0.10 0.05 0.025 0.005 1.310 1.309 1.309 1.308 1.307 1.306 1.306 1.305 1.304 1.304 1.303 1.697 1.696 1.694 1.692 1.691 1.690 1.688 1.687 1.686 1.685 1.684 2.042 2.040 2.037 2.035 2.032 2.030 2.028 2.026 2.024 2.023 2.021 2.457 2.453 2.449 2.445 2.441 2.438 2.434 2.431 2.429 2.426 2.423 2.750 2.744 2.738 2.733 2.728 2.724 2.719 2.715 2.712 2.708 2.704 32 34 35 36 37 38 39 40

fullscreen
check_circleExpert Solution
Step 1

In this question we have to find P Value using the given information which is mentioned on whiteboard:

fullscreen
Step 2

To calculate the P value, we first needed to calculate the value of test statistic and then P Value.

The calculation has been shown on whiteboard,

We have to look a...

fullscreen

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour*

See Solution
*Response times may vary by subject and question
Tagged in

Math

Statistics

Hypothesis Testing

Related Statistics Q&A

Find answers to questions asked by student like you

Show more Q&A add
question_answer

Q: A medical researcher wants to construct a 95% confidence interval for the proportion of knee replace...

A: Sample size:The minimum sample size for a desired confidence level, α with a given margin of error, ...

question_answer

Q: Determine whether or not sigma1 square is equal to sigma 2 square using a 5% significance level if w...

A: According to the given question, to test the hypothesis of H0: sigma 1 square  is equal to sigma 2 s...

question_answer

Q: Listed below are paired data consisting of amounts spent on advertising (in millions of dollars) and...

A: Let r denote the linear correlation between advertising cost (x) and profit (y). The hypotheses are ...

question_answer

Q: Unfortunately, arsenic occurs naturally in some ground water. A mean arsenic level of mu equals 8.0 ...

A: Part (a): Level of significance:In the given information, it is said that “Alpha = 0.01”. Now, “Alph...

question_answer

Q: Write the equation of the line that passes through the points (0, 1) and (− 1, 3). Explain your solu...

A: The equation of the line is given by, y = mx+c, where m is the slope and c is the intercept.

question_answer

Q: 2. In a lab experiment, students estim is known to have a true value of 5% weight by volume, but stu...

A: Let X be the concentration estimate. X follow a normal distribution with mean 5% and standard deviat...

question_answer

Q: Listed below are amounts of arsenic in samples of brown rice from three different states. The amount...

A: Solution:Null and alternative hypotheses:Null hypothesis: µ1 = µ2 = µ3Alternative hypothesis: µ1 ≠ µ...

question_answer

Q: Use software or a calculator to find the​ range, variance, and standard deviation of the following b...

A: As data of temperature is not provided here. Here i can show you how to find the range, standard dev...

question_answer

Q: The same media consultants decided to continue their investigation of the focal relationship between...

A: Regression analysis:Regression analysis estimates the relationship among variables. That is, it esti...