Question: A programmer plans to develop a new software system. In planning for the operating system that he willuse, he needs to estimate the percentage of

A programmer plans to develop a new software system. In planning for the operating system that he willuse, he needs to estimate the percentage of computers that use a new operating system. How many computers must be surveyed in order to be 90% confident that his estimate is in error by no more than three percentage points? Complete parts(a) through(c) below.

a) Assume that nothing is known about the percentage of computers with new operating systems.

b) Assume that a recent survey suggests that about 85% of computers use a new operating system.

c) Does the additional survey information from part(b) have much of an effect on the sample size that isrequired?

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!

Q:

A programmer plans to develop a new software system. In planning for the operating system that he will?use, he needs to estimate the percentage of computers that use a new operating system. How many...

Q:

1) Salaries of 35 college graduates who took a statistics course in college have amean, x, of $64,900. Assuming a standarddeviation, , of $19,196, construct a 99% confidence interval for estimating...

Q:

number 14 A programmer plans to develop a new software system. In planning for the operating system that he willuse, he needs to estimate the percentage of computers that use a new operating system....

Q:

A programmer plans to develop a new software system. In planning for the operating system that he willuse, he needs to estimate the percentage of computers that use a new operating system. How many...

Q:

A programmer plans to develop a new software system. In planning for the operating system that he willuse, he needs to estimate the percentage of computers that use a new operating system. How many...

Q:

1..A programmer plans to develop a new software system. In planning for the operating system that he willuse, he needs to estimate the percentage of computers that use a new operating system. How...

Q:

A programmer plans to develop a new software system. In planning for the operating system that he willuse, he needs to estimate the percentage of computers that use a new operating system. How many...

Q:

A programmer plans to develop a new software system. In planning for the operating system that he willuse, he needs to estimate the percentage of computers that use a new operating system. How many...

Q:

A programmer plans to develop a new software system. In planning for the operating system that he willuse, he needs to estimate the percentage of computers that use a new operating system. How many...

Q:

A programmer plans to develop a new software system. In planning for the operating system that he willuse, he needs to estimate the percentage of computers that use a new operating system. How many...

Q:

Imagine you are leading a team meeting and you notice that a couple of team members are not contributing. What specific steps might you take to try to increase their contributions?

Q:

Jill Parsons purchases for $72,000 Jamar's interest in the Tholen-Jamar partnership. Assuming that Jamar has a $68,000 capital balance in the partnership, what journal entry is made by the...

Q:

Question 3 1 pts If you are promised a nominal return of 1 2 % on a 1 - year investment, and you expect the rate of inflation to be 3 % , what real rate do you expect to eam? 8 . 7 4 % - 2 . 0 . 9 ....

Q:

1. Buying groceries at the supermarket. 2. Selling a house 3. Getting married out of community of property. 4. Starting a new cellphone contract. 5. Arranging monthly instalments to pay for the car...

Q:

1. Discuss the following statements: (a) The dangers of mountain driving in an old Lada 4 4, and safety concerns. (b) We perceive the world backwards. (c) Numbers are different from words, but they...

Q:

5. How can a sender (utterer) directly influence the interpreter (receiver)?

Q:

10. Find a news article in a daily newspaper, and answer the following questions: (a) Does the information in the article support your views and attitudes or does it conflict with them? (b) Does the...