The campus representative for lenscom wants to know what, Ask an Expert

Statistics

The campus representative for Lens.com wants to know what percentage of studentNs at a university currently wear contact lens. Suppose the true proportion is 30%.

a) We randomly pick 100 students. Let p repreN sent the proportion of students in this sample who wear contacts. What's the appropriate model for the distribution of p? Specify the name of the distribution, the mean, and the standard devia- tion. Be sure to verify that the conditions are met.

b) What's the approximate probability that more than one third of this sample wear contacts?

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M91724486

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

A one bond has a coupon rate of 8 percent another a coupon

a) One bond has a coupon rate of 8 percent, another a coupon rate of 12 percent. Both bonds pay coupons annually, have 10-year maturities, and sell at a yield to maturity of 10 percent. If their yields to maturity next y ...

Can someone explain this to me or draw it out so that i can

Can someone explain this to me? Or draw it out so that I can understand. You may see a problem like the following: a mean score of 20 and SD of 3, and asked what percentage of cases will be between 17 and 23, you would r ...

Question i dont understand how you would test if the data

Question: I don't understand how you would test if the data shows that there is a difference between some supplies if the testing level is at 1%? Can you show me the steps of how you would test if the data shows that the ...

Military often provides a form of qualification test for

Military often provides a form of qualification test for people to enter special career fields. Suppose that a large number of people have taken a test for a certain career field. Suppose that the mean of all people taki ...

Do you have a credit card or use some other form of

Do you have a credit card or use some other form of consumer credit? Identify what you currently use, if any. If you do not use credit, discuss a type of credit that you might consider in the future. What advantages does ...

Assumes the following probability pcustomer make a purchase

Assumes the following probability" P(customer make a purchase) = 0.300 P(Customer does not make a purchase) = 1-0.300 Compute the P(1purchase) and enter your answer in 3 decimal places.

Your companys revenues were 3 million this year you paid

Your company's revenues were $3 million this year. You paid out $500,000 in salaries and your only other cash outflow was the purchase of a piece of construction equipment for $1 million that is to be depreciated to a ze ...

Micron technology inc invested into 7 new projects all of

Micron Technology Inc. invested into 7 new projects (all of equal size). For each of these project, there is a 75% probability that the project will have a 12% return and a 25% that it will have a -9% return. Each of the ...

A stocks price fluctuations are approximately normally

A stock's price fluctuations are approximately normally distributed with a mean of $26.94 and a standard deviation of $3.54. You decide to sell whenever the price reaches its highest 10% of values. What is the highest va ...

Suppose that college science textbooks on average cost 225

Suppose that college science textbooks on average cost 225 dollars with a standard deviation of 45 dollars. Suppose that a random sample of 40 college science textbooks was taken. Find the probability that the sample mea ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert