Question how many people in a car a study of rush-hour, Ask an Expert

Statistics

Question: How many people in a car? A study of rush-hour traffic in San Francisco counts the number of people in each car entering a freeway at a suburban interchange. Suppose that this count has mean 1.5 and standard deviation 0.75 in the population of all cars that enter at this interchange during rush hours.

(a) Could the exact distribution of the count be Normal? Why or why not?

(b) Traffic engineers estimate that the capacity of the interchange is 700 cars per hour. Find the probability that 700 randomly selected cars at this freeway entrance will carry more than 1075 people. Show your work.

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M92572949

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

Suppose you believe that johnson companys stock price is

Suppose you believe that Johnson Company's stock price is going to increase from its current level of $22.50 sometime during the next 6 months. For $250.30 you can buy a 6-month call option giving you the right to buy 10 ...

A mortgage broker is offering a 188900 20-year mortgage

A mortgage broker is offering a $188,900 20-year mortgage with a teaser rate. In the first two years of the mortgage, the borrower makes monthly payments on only a 4.5 percent APR interest rate. After the second year, th ...

Jane and john doe are twins jane saves 10000 per year from

Jane and John Doe are twins. Jane saves $10,000 per year from age 25 to 34 and nothing from age 35 onward (10 years of saving in total). John saves nothing from age 25 to 34 and $10,000 from age 35 to 64 (30 years of sav ...

Many high school students take the ap tests in different

Many high school students take the AP tests in different subject areas. In 2007, of the 144,796 students who took the biology exam 84,199 of them were female. In that same year, of the 211,693 students who took the calcu ...

1 what is the ytm for a 14-year semi-annual bond that pays

1. What is the YTM for a 14-year semi-annual bond that pays $35 every six months and has a purchase price of $980.000? Face value is $1,000. 2. A person wants to put aside $500 at the beginning of each month for 10 years ...

The usable lifetime of a particular electronic component is

The usable lifetime of a particular electronic component is known to follow an exponential distribution with a mean of 6.2 years. Let X = the usable lifetime of a randomly selected component. (a) The proportion of these ...

Suppose the timing device used in the mens race failed to

Suppose the timing device used in the men's race failed to activate at the start of the race and instead began to record the times seconds into the race. Consider how the competitors' times would be affected. Would the s ...

According to bottledwaterorg per capita consumption of

According to bottledwater.org, per capita consumption of bottled water in the U.S. in 2012 was reported to be 30.8 gallons. Assume that the amount of bottled water consumed per person is Normally distributed with mean 30 ...

Assuming that the bank wants assets with high yields and

Assuming that the bank wants Assets with High Yields and Liabilities with Low Costs then what decisions would the bank make for the Interest Rates on both Loans (Fixed Rate Corporate, Floating Rate Corporate, Installment ...

Explain the similarities and differences between bagging

Explain the similarities and differences between "bagging" and "boosting" in predictive analytics.

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