
Elementary Statistics ( 3rd International Edition ) Isbn:9781260092561
3rd Edition
ISBN: 9781259969454
Author: William Navidi Prof.; Barry Monk Professor
Publisher: McGraw-Hill Education
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Chapter 6, Problem 13RE
To determine
To find the
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Consider the following hypothesis test.
The following results are for two independent samples taken from the two populations.
Sample 1
Sample 2
n 1 = 80
n 2 = 70
x 1 = 104
x 2 = 106
σ 1 = 8.4
σ 2 = 7.6
What is the value of the test statistic? If required enter negative values as negative numbers (to 2 decimals).
What is the p-value (to 4 decimals)? Use z-table.
With = .05, what is your hypothesis testing conclusion?
Periodically, Merrill Lynch customers are asked to evaluate Merrill Lynch financial consultants and services (2000 Merrill Lynch Client Satisfaction Survey). Higher ratings on the client satisfaction survey indicate better service with 7 the maximum service rating. Independent samples of service ratings for two financial consultants are summarized here. Consultant A has 10 years of experience, whereas consultant B has 1 year of experience. Use = .05 and test to see whether the consultant with more experience has the higher population mean service rating.
Consultant A
Consultant B
= 16
= 10
= 6.82
= 6.25
= .64
= .75
State the null and alternative hypotheses.H0: 1 - 2 Ha: 1 - 2
Compute the value of the test statistic (to 2 decimals).
What is the p-value?The p-value is
What is your conclusion?
A firm paid its first annual dividend yesterday in the amount of $.15 per share. The company plans to double the dividend in each of the next 3 years. Starting in Year 4, the firm plans to pay $1.50 per share indefinitely. What is one share of this stock worth today if the market rate of return on similar securities is 13.8 percent?
Multiple Choice
$11.79
$8.92
$10.77
$11.02
$10.26
Chapter 6 Solutions
Elementary Statistics ( 3rd International Edition ) Isbn:9781260092561
Ch. 6.1 - Exercises 9-12, fill in each blank with the...Ch. 6.1 - Exercises 9-12, fill in each blank with the...Ch. 6.1 - Exercises 9-12, fill in each blank with the...Ch. 6.1 - Exercises 9-12, fill in each blank with the...Ch. 6.1 - In Exercises 13-16, determine whether the...Ch. 6.1 - In Exercises 13-16, determine whether the...Ch. 6.1 - In Exercises 13-16, determine whether the...Ch. 6.1 - In Exercises 13-16, determine whether the...Ch. 6.1 - In Exercises 17-26, determine whether the random...Ch. 6.1 - In Exercises 17-26, determine whether the random...
Ch. 6.1 - In Exercises 17-26, determine whether the random...Ch. 6.1 - In Exercises 17-26, determine whether the random...Ch. 6.1 - In Exercises 17-26, determine whether the random...Ch. 6.1 - In Exercises 17-26, determine whether the random...Ch. 6.1 - In Exercises 17-26, determine whether the random...Ch. 6.1 - In Exercises 17-26, determine whether the random...Ch. 6.1 - In Exercises 17-26, determine whether the random...Ch. 6.1 - In Exercises 17-26, determine whether the random...Ch. 6.1 - In Exercises 27-32, determine whether the table...Ch. 6.1 - In Exercises 27-32, determine whether the table...Ch. 6.1 - In Exercises 27-32, determine whether the table...Ch. 6.1 - In Exercises 27-32, determine whether the table...Ch. 6.1 - In Exercises 27-32, determine whether the table...Ch. 6.1 - Prob. 32ECh. 6.1 - In Exercises 33-38, compute the mean and standard...Ch. 6.1 - In Exercises 33-38, compute the mean and standard...Ch. 6.1 - In Exercises 33-38, compute the mean and standard...Ch. 6.1 - Prob. 36ECh. 6.1 - In Exercises 33-38, compute the mean and standard...Ch. 6.1 - In Exercises 33-38, compute the mean and standard...Ch. 6.1 - Fill in the value so that the following table...Ch. 6.1 - Fill in the missing value so that the following...Ch. 6.1 - Put some air in your tires: Let X represent the...Ch. 6.1 - Fifteen items or less: The number of customers in...Ch. 6.1 - Defective circuits: The following table presents...Ch. 6.1 - Do you carpool? Let X represent the number of...Ch. 6.1 - Dirty air: The federal government has enacted...Ch. 6.1 - Prob. 46ECh. 6.1 - Relax! The General Social Survey asked 1676 people...Ch. 6.1 - Pain: The General Social Survey asked 827 people...Ch. 6.1 - School days: The following table presents the...Ch. 6.1 - World Cup: The World Cup soccer tournament has...Ch. 6.1 - Lottery: In the New York State Numbers Lottery:...Ch. 6.1 - Lottery: In the New York State Numbers Lottery,...Ch. 6.1 - Craps: In the game of craps, two dice are rolled,...Ch. 6.1 - Prob. 54ECh. 6.1 - Multiple choice: A multiple-choice question has...Ch. 6.1 - Prob. 56ECh. 6.1 - Business projection: An investor is considering a...Ch. 6.1 - Insurance: An insurance company sells a one-year...Ch. 6.1 - Boys and girls: A couple plans to have children...Ch. 6.1 - Girls and boys: In Exercise 59, let X be the...Ch. 6.1 - Success and failure: Three components are randomly...Ch. 6.2 - In Exercises 5-7, fill in each blank with the...Ch. 6.2 - In Exercises 5-7, fill in each blank with the...Ch. 6.2 - In Exercises 5-7, fill in each blank with the...Ch. 6.2 - Prob. 8ECh. 6.2 - In Exercises 8-10, determine whether the statement...Ch. 6.2 - In Exercises 8-10, determine whether the statement...Ch. 6.2 - In Exercises 11-16, determine whether the random...Ch. 6.2 - In Exercises 11-16, determine whether the random...Ch. 6.2 - In Exercises 11-16, determine whether the random...Ch. 6.2 - Prob. 14ECh. 6.2 - In Exercises 11-16, determine whether the random...Ch. 6.2 - Prob. 16ECh. 6.2 - In Exercises 17-26, determine the indicated...Ch. 6.2 - Prob. 18ECh. 6.2 - In Exercises 17-26, determine the indicated...Ch. 6.2 - In Exercises 17-26, determine the indicated...Ch. 6.2 - In Exercises 17-26, determine the indicated...Ch. 6.2 - In Exercises 17-26, determine the indicated...Ch. 6.2 - In Exercises 17-26, determine the indicated...Ch. 6.2 - In Exercises 17-26, determine the indicated...Ch. 6.2 - In Exercises 17-26, determine the indicated...Ch. 6.2 - Prob. 26ECh. 6.2 - Prob. 27ECh. 6.2 - Match each TI-84 PLUS calculator command the...Ch. 6.2 - Take a guess: A student takes a true-false test...Ch. 6.2 - Take another guess: A student takes a...Ch. 6.2 - Your flight has been delayed: At Denver...Ch. 6.2 - Car inspection: Of all the registered automobiles...Ch. 6.2 - Google it: According to a report of the Nielsen...Ch. 6.2 - What should I buy? A study conducted by the Pew...Ch. 6.2 - Blood types: The blood type O negative is called...Ch. 6.2 - Coronary bypass surgery: The Agency for Healthcare...Ch. 6.2 - College bound: The Statistical Abstract of the...Ch. 6.2 - Big babies: The Centers for Disease Control and...Ch. 6.2 - High blood pressure: The National Health and...Ch. 6.2 - Prob. 40ECh. 6.2 - Testing a shipment: A certain large shipment comes...Ch. 6.2 - Smoke detectors: An company offers a discount to...Ch. 6.2 - Prob. 43ECh. 6.3 - In Exercises 5 and 6, fill in each blank with the...Ch. 6.3 - Prob. 6ECh. 6.3 - Prob. 7ECh. 6.3 - Prob. 8ECh. 6.3 - Prob. 9ECh. 6.3 - Prob. 10ECh. 6.3 - Prob. 11ECh. 6.3 - Prob. 12ECh. 6.3 - Prob. 13ECh. 6.3 - Prob. 14ECh. 6.3 - Prob. 15ECh. 6.3 - Prob. 16ECh. 6.3 - Prob. 17ECh. 6.3 - Prob. 18ECh. 6.3 - Prob. 19ECh. 6.3 - Flaws in aluminum foil: The number of flaws in a...Ch. 6.3 - Prob. 21ECh. 6.3 - Prob. 22ECh. 6.3 - Computer messages: The number of tweets received...Ch. 6.3 - Prob. 24ECh. 6.3 - Trees in the forest: The number of trees of a...Ch. 6.3 - Prob. 26ECh. 6.3 - Drive safely: In a recent year, there were...Ch. 6.3 - Prob. 28ECh. 6.3 - Prob. 29ECh. 6 - Explain why the following is not a probability...Ch. 6 - Find die mean of the random variable X with the...Ch. 6 - Refer to Problem 2. the variance of the random...Ch. 6 - Prob. 4CQCh. 6 - Prob. 5CQCh. 6 - Prob. 6CQCh. 6 - Prob. 7CQCh. 6 - Prob. 8CQCh. 6 - At a cell phone battery plant. 5% of cell phone...Ch. 6 - Refer to Problem 9. Find the mean and standard...Ch. 6 - A meteorologist states that the probability of...Ch. 6 - Prob. 12CQCh. 6 - Prob. 13CQCh. 6 - Prob. 14CQCh. 6 - Prob. 15CQCh. 6 - Prob. 1RECh. 6 - Prob. 2RECh. 6 - Prob. 3RECh. 6 - Prob. 4RECh. 6 - Lottery tickets: Several million lottery tickets...Ch. 6 - Prob. 6RECh. 6 - Prob. 7RECh. 6 - Prob. 8RECh. 6 - Reading tests: According to the National Center...Ch. 6 - Prob. 10RECh. 6 - Prob. 11RECh. 6 - Prob. 12RECh. 6 - Prob. 13RECh. 6 - Prob. 14RECh. 6 - Prob. 15RECh. 6 - Prob. 1WAICh. 6 - Prob. 2WAICh. 6 - Prob. 3WAICh. 6 - When a population mean is unknown, people will...Ch. 6 - Provide an example of a random variable and...Ch. 6 - Prob. 6WAICh. 6 - Prob. 7WAICh. 6 - Prob. 1CS
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