(Answered) An examination consists of 40 multiple-choice questions

Economics

An examination consists of 40 multiple-choice questions, with each question having four options. Suppose you randomly select the answer to each question - that is, you guess. What is the probability of obtaining at least 50% in the examination?

From past data Safe-As-Houses concludes that the age of houses in the suburb of NewAcres is uniformly distributed between 20 and 40 years.

What is the probability that the age of a randomly chosen house in NewAcres is:

a. more than 30 years?

b. between 25 and 35 years?

c. less than 35 years?

View complete question

Business Economics, Economics

Category:- Business Economics
Reference No.:- M92842507
Price:- $10

Verified Expert

Priced at $20 Now at $10, Verified Solution

Have any Question?Write your Review or question?

Related Questions in Business Economics

A is the event that your friend is sick today and b is the

A is the event that your friend is sick today and B is the event that you pass this test. These events are independent and Not mutually exclusive. Calculate the probability that your friend is sick todayy OR you pass thi ...

Heightnbspinnbspinchesnbsp69nbsp67nbsp69nbsp71nbsp70nbsp72nb

Height in inches 69 67 69 71 70 72 Weight in lbs 164 161 189 192 184 198 a) Find the equation of the regression line with height as the explanatory variable and use the regression line to find the predicted ...

A child protective service cps worker is calculating the

A child protective service (CPS) worker is calculating the average for the number of children per family in her caseload (N=30). The mean was 95 and the variance was 25. What was the standard deviation?

If the market for a good is operating in the inelastic

If the market for a good is operating in the inelastic range of market demand. Which of the two policy that follow is more effective when handling (technical) externalities: Cap-and-trade or emissions fee?

Of all the companies on the new york stock exchange profits

Of all the companies on the New York Stock Exchange, profits are normally distributed with a mean of $6.54 million and a standard deviation of $10.45 million. In a random sample of 73 companies from the NYSE, what is the ...

Espn pays the nfl 11 billion per year for 8 yrs for the

ESPN pays the NFL $1.1 Billion per year for 8 yrs for the right to exclusively televise football. What is the NPV of the investment if the parent Disney CO has an opportunity interest rate that is equal to the cost of ca ...

You have been selected to participate in a free-throw

You have been selected to participate in a free-throw challenge for the halftime entertainment during a basketball game. You will have the opportunity to shoot 2 baskets, from the free-throw line. If you make one basket, ...

There are certain coins that can sometimes have the weight

There are certain coins that can sometimes have the weight that are Normally distributed with a mean of 5.207 g and a standard deviation of 0.053 g. Now, a vending machine is configured to accept those coins with weights ...

John plans to take three suits on his business trip if john

John plans to take three suits on his business trip. If John owns 8 suits, how many ways can the 3 suits be selected?

Ross textiles wishes to measure its cost of common stock

Ross Textiles wishes to measure its cost of common stock equity. The firm's stock is currently selling for $57.50. The firm expects to pay a $3.40 dividend at the end of 2013. The dividends for the past 5 years are shown ...

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 Business Economics Expert