Ask Question, Ask an Expert

+61-413 786 465

info@mywordsolution.com

Ask Statistics and Probability Expert

Find the expected value and standard deviation for a binomial random variable with each of the following values of n and p:

a. n = 10, p = 1/2.

b. n = 100, p = 1/4.

c. n = 2500, p = 1/5.

d. n = 1, p = 1/10.

e. n = 30, p = .4.

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M92225996

Have any Question?


Related Questions in Statistics and Probability

On average the parts from a supplier have a mean of 975

On average, the parts from a supplier have a mean of 97.5 inches and a standard deviation of 12.2 inches. Find the probability that a randomly selected part from this supplier will have a value between 85.3 and 109.7 inc ...

Assume that showing a car is a bernoulli trial and each

Assume that showing a car is a Bernoulli trial, and each time she shows a car, there is a probability of 0.15 that the customer will buy the car. The saleswoman has a goal of selling at least one car a week. 1) How many ...

Flyers inc just paid an eps of 49 this year flyers is

Flyers, Inc., just paid an EPS of $4.9 this year. Flyers is expected to maintain a retained earnings ratio of 50% and ROE of 5.5% for the next five years. After the fifth year, ROE is expected to decrease to 3.3%. Applyi ...

During the winter of 2008-2009 the average utility bill for

During the winter of? 2008-2009, the average utility bill for residents of a certain state was ?$173 per month. A random sample of 30 customers was selected during the winter of? 2009-2010, and the average bill was found ...

According to a pew research center poll 22 of adult

According to a Pew Research Center poll, 22% of adult Americans have contributed to an online fundraising project. A random sample of 100 adults is selected. Let the random variable X be the number of adult Americans who ...

A musical instruments retailer has 10000 point-of-sale

A musical instruments retailer has 10,000 point-of-sale transactions out of which 1500 sales included both items of electric guitars and guitar cases, and out of which 750 had sales of new strings. If the electric guitar ...

If the probability of either outcome a or outcome b arising

If the probability of either outcome A or outcome B arising during a single random process is 0.4 and we also know that the probability of outcome A is 0.2 while the probability of outcome B is 0.3, how are these two out ...

After 5 years at her company katy just got promoted and

After 5 years at her company, Katy just got promoted and decided to buy a new house worth $230,000. She can pay 10% up front for the down payment, then apply for a 30-year mortgage, 6.6% annual rate for the remaining bal ...

Compounding and period as you increase the length of time

Compounding and Period: As you increase the length of time involved, what happens to future values? What happens to present values? The present value of annuity will increase as well as the future value when you increase ...

Suppose metal shafts produced have a standard deviation of

Suppose metal shafts produced have a standard deviation of 2.8 and a mean diameter of 210 inches. If 84 shafts are sampled at random, what is the probability that the mean diameter of the sample shafts would be less than ...

  • 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

Why might a bank avoid the use of interest rate swaps even

Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate

Describe the difference between zero coupon bonds and

Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p

Compute the present value of an annuity of 880 per year

Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As

Compute the present value of an 1150 payment made in ten

Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int

Compute the present value of an annuity of 699 per year

Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As