Question: Sean Sinclair, Information Services Manager at Global Financial Services (GFS), suspects that at least 25% of email messages sent by GFS employees are not business

Sean Sinclair, Information Services Manager at Global Financial Services (GFS), suspects that at least 25% of email messages sent by GFS employees are not business related. A random sample of 300 email messaes was selected to test this hypothesis at the 0.01 level of significance. Fifty-four of the messages were not business related. The critical z-value is ____.

Select one:

a.1.96

b.2.57

c.-2.33

d.-1.96

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

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

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

Better Burgers reported the following numbers (in millions) for the years ending February 2017 and 2018. 2017 Net income Dividends Total assets Total equity 2018 $ 1,497 213 12,848 4,574 $13,660...

Erin O'Brien, Director of Consumer Credit with Auckland First Bank (AFB), has implemented a "fast feedback' to keep her informed of the default rate on personal loans at AFB member banks. On each...

Assignment: Create Information Security Model In this assignment you will create an Information Security Model based on the template given below. You will have to create a model depending on the...

Job MarketRate Pay Grade Information Services Manager $69,200 16 Financial Services Manager $63,900 16 Senior Programmer Analyst $49,100 14 Associate Programmer Analyst $34,500 11 Senior Accountant...

Question Completion Status Moving to another question will save this response. Question 1 of 20 Question1 1 points Tim is the CEO of Doc.com, an information search Internet company. A manager comes...

Adele has an effective oversight of the business processes in the Marketing and Sales unit. What manager is Adele? Select one: O a. none of these choices. O b. general manager Oc: first-line manager...

Imagine that you are the information services manager for a company that develops customised tours for senior citizens interested in visiting exotic, foreign locations. Explain how you could use...

1)If X is a binomial random variable with n = 8 and p = 0.6, what is the probability that X is equal to 4? Select one: a.0.275. b.0.232 c.0.324. d.0.500. 2)Cameron Cage, Information Services Manager...

hi. I'm stuck with a report whose Chic Paints Ltd. and I am finding difficulty to answer some questions such as the organisations accounting system requirements including hardware and software...

2006 National Institute of Standards and Technology Technology Administration Department of Commerce Baldrige National Quality Program Arroyo Fresco Community Health Center Case Study 2006 National...

Read the case study and answer the 7 Questions. Don't forget to use Hofstede's cultural dimensions in answering your questions: https://www.hofstede-insights.com/country-comparison/mexico,the-usa/...

Marya Callais, a citizen of Florida, was walking along a busy street in Tallahassee, Florida, when a large crate flew off a passing truck and hit her, causing numerous injuries. She experienced a...

On December 31, 2019, Guimaras Corporation is experiencing extreme financial pressure and is in default in meeting interest payment on its long-term note of P6,000,000 due on December 31, 2019. The...

Which of the following correctly labels this situation? A company located in the United States hires another company in India to assemble its product

Julian Birkinshaw, James Manktelow, Vittorio DAmato, Elena Tosca, and Francesca Macchi In recent years, one of the most profound transformations in the workplace has been the increase in age...