A television station estimates that 50 of college students, Ask an Expert

Statistics

A television station estimates that 50% of college students watch the super bowl. For a sample of 120 students selected at random, what is the mean and variance of the number of students who watch the game?

a mean=60.0 variance=30.00

b. mean=30.0 variance=30.00

c. mean=60.0 variance=5.48

d. mean=30.0 variance=5.48

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9373007

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

Describe the general concept of economic analysis is this

Describe the general concept of economic analysis. Is this type of analysis necessary, and can it really help the individual investor make a decision about stock? Explain

In this question are you just using the empirical ruleyou

In this question are you just using the empirical rule? You know that your population is normally distributed with a mean of 100 and a standard deviation of 15. Using the empirical rule as a rough approximation, what is ...

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 ...

There are twenty stores for a grocery chain in the

There are twenty stores for a grocery chain in the Mid-Atlantic region. The regional executive wants to visit five of the twenty stores. She asks her assistant to choose five stores and arrange the visit schedule. (Pleas ...

Rand corporation has a 00 probability of a return of 06 a

Rand Corporation has a 0.0 probability of a return of 0.6, a 0.3 probability of a rate of return of 0.05, and the remaining probability of a 0.92 rate of return. What is the expected rate of return of Rand Corporation?

Staples has six special drafting pencils for sale two of

Staples has six special drafting pencils for sale, two of which are defective. A student buys two of these six drafting pencils, selected at random. Let the random variable X be the number of defective pencils. Construct ...

What types processes or procedures support project

What types processes or procedures support project management, continuous improvement and innovative initiatives?

A study discovered that americans consumed an average of

A study discovered that Americans consumed an average of 10.7 pounds of chocolate per year. Assume that the annual chocolate consumption follows the normal distribution with a standard deviation of 3.1 pounds. Complete p ...

A corporate bond is currently selling for 840 it has 5

A corporate bond is currently selling for $840. It has 5 years till maturity, 6% coupon, and YTM=10%. What is the par value?

Describe the scales of measurement of data that should be

Describe the scales of measurement of data that should be summarized by a measure of location such as a sample mean and a sample median? When is the sample median a better measure of location than the sample mean? Why do ...

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