Obtain and interpret the 40th percentile for the finishing, Ask an Expert

Statistics

As a report in runner's world magazine, the times of the finishers in the new york city 10 km run are normally distributed with mean 61 minutes and standard deviation 9 minutes part A) Determine the percentage of finishers with times between 50 and 70 minutes part B)Find the percentage of finishers with times less than 75 minutes part C)obtain and interpret the 40th percentile for the finishing times and part D) find and interpret the eighth decile for the finishing times.

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9115231

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

A political candidate wishes to determine if endorsing

A political candidate wishes to determine if endorsing increased social spending is likely to affect her standing in the polls. She has access to data on the popularity of several other candidates who have endorsed incre ...

What are impacts that flexible work schedules can have on a

What are impacts that flexible work schedules can have on a employee's productivity?

The weights of bags of peas are normally distributed with a

The weights of bags of peas are normally distributed with a mean of 12.08 ounces and a standard deviation of 1.03 ounces. Bags in the upper 4% are too heavy and must be repackaged. What is the most that bag and weigh and ...

A firm evaluates all of its projects by applying the irr

A firm evaluates all of its projects by applying the IRR rule. Year Cash Flow 0 -$ 153,000 1 78,000 2 67,000 3 49,000 What is the project's IRR? If the required return is 11 percent, should the firm accept the project? Y ...

The weights of ice cream cartons are normally distributed

The weights of ice cream cartons are normally distributed with a mean weight of 20 ounces and a standard deviation of 0.5 ounces. You randomly select 25 cartons. What is the probability that their mean weight is greater ...

A random sample of the closing stock prices in dollars for

A random sample of the closing stock prices in dollars for a company in a recent year is listed below. Assume that sigma σ is ?$2.59. Construct the 90?% and 99?% confidence intervals for the population mean. Interpret th ...

An all-equiry business has 175m shares outstanding selling

An all-equiry business has 175M shares outstanding selling for $20/share. Management believes interest rates are unreasonably low and decides to execute a leveraged recapitalization. It will raise $1B in debt and repurch ...

One of your customers has just made a purchase in the

One of your customers has just made a purchase in the amount of $19,200. You have agreed to payments of $335 per month and will charge a monthly interest rate of 1.11 percent. How many months will it take for the account ...

If you know your raw score is 35 your z score is -3 and

If you know your raw score is 35, your z score is -3, and your t score is 20. The mean is 50 and the standard deviation is 5. How would you use this information to solve for a percentile rank?

Acme airlines flies airplanes that seat 20 passengers from

Acme Airlines flies airplanes that seat 20 passengers. From experience, they have learned that, on average, 85% of the passengers holding reservations for a particular flight actually show up for the flight. If they book ...

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