Question: C Net. com reports that the average talk time battery life for Nokias model 1661 phone is 9.3 hours (source: reviews. cnet. com). In a

C Net. com reports that the average talk time battery life for Nokia’s model 1661 phone is 9.3 hours (source: reviews. cnet. com). In a test involving 64 recharges, you find that the average battery life is 8.9 hours for this model. Given the following hypotheses, H₀: μ = 9.3 (The average talk time battery life for the Nokia 1661 is 9.3 hours.) H_a: μ ≠ 9.3 (The average talk time battery life for the Nokia 1661 is not 9.3 hours.)

a. Compute the p value for the sample result in this two tailed test. Assume the population standard deviation is 2.2 hours.

b. If the significance level is 5%, can the null hypothesis be rejected? Explain.

Step by Step Solution

★★★★★

3.35 Rating (167 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

Population All Nokia model 1661 phones Characterist... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

486-M-S-H-T (1223).docx

120 KBs Word File

Students Have Also Explored These Related Statistics Questions!

The Bureau of the Census reports that the average commuting time for citizens of both Baltimore, Maryland, and Miami, Florida, is approximately 29 minutes. To see if their commuting times appear to...

The Internal Revenue Service (IRS) reports that the average refund for tax filers last year was $ 2236. The IRS believes that this years average refund will be the same as last years average. The...

The Old Farmers Almanac reports that the average person uses 123 gallons of water daily. If the standard deviation is 21 gallons, find the probability that the mean of a randomly selected sample of...

undefined I am having some difficult finding those topic can someone help me? A. Abstract of the case to include overview of the problem or issue. B. Contribution of case to strategic management C....

.Abstract - overview of the problem .contribution of case to strategic management .and recommendations for solving the issue. CASE 22 NINTENDO'S SWITCH Did Nintendo's Switch Have the Flair to...

After almost a decade as CEO, Tim Cook could look back at his record at Apple with enormous pride. During his tenure, Apple became the world's first trillion dollar market cap company. The firm's...

- What are your Company's Vision, Mission and Core Values? - Are there indications that these resonate with the employees? (Give some specific examples that employees consider the company Vision,...

FILE TOOLS VIEW 6401819_1_writing-case--4 - Word (Product Activation Failed) Financing Early Operations Musk's first entrepreneurial venture was to join up with his brother, Kimbal, and establish...

I need help to figure out the Situation Analysis External and Internal for the Pfizer Case Return on Assets '16 I 4.13 I Financial Leverage (Average) I 2.59 I Return on Equity% I 10.24 I Return on...

***READ THIS FIRST*** I need the questions for Part 1 AND Part 2 answered for this case study. The answers must be well-written, detailed, and must answer each question fully with examples from the...

Below is information related to the Ivanhoe Company, owned by D. Flamont, corresponding to the month of January 2021. Ending inventory for perpetual records $21,600 insurance costs $10,700 Ending...

An Electronics company wishes to maintain stock of items with buy and sells of details. Write a java application to show total stock, total buy, and total sell of the company.

In problem 13.5 on page 509, you used GDP and population density to estimate CO2 emissions. Develop a regression model that includes GDP, population density, and the interaction of GDP and population...

15 If the inflation rate is expected to increase, would this increase or decrease the slope of the yield curve?

A manufacturer of stone-ground, deli-style mustard uses a high-speed machine to fill jars.The amount of mustard dispensed into the jars forms a normal distribution with a mean 290 grams and a...

All drugs must be approved by the U.S. Food and Drug Administration (FDA) before they can be marketed by a drug company. The FDA must weigh the error of marketing an ineffective drug, with the usual...

Referring to Exercise 8.1: a. How is the distribution of the sample height data on p. 344 related to: (1) The distribution of the population? (2) The sampling distribution of sample means? b. Using...

Andretti Company has a single product called a Dak. The company normally produces and sells 81,000 Daks each year at a selling price of $64 per unit. The companys unit costs at this level of activity...

There exist many regulations to protect the investors, consumers and financial markets for fair and efficient maintenance. Some of these regulations include the following: Customer protection...

A researcher is testing how many people will choose to recycle. One group of participants were prime on the benefits of recycling, and another group of participants were the control. They decided to...