Question consider the number of people arriving at the, Ask an Expert

Statistics

Question: Consider the number of people arriving at the Student Center for coffee between 10 A.m. and 11 A.M. on a given day. For this random variable X, it is known that E(X) = 100 and var(X) = 10.

a. Give an upper bound on the probability that the number of people is outside the range [75,125].

b. Give the range for X for which the probability is at most 1/100 that the number of people who show up is outside that range.

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M92571522

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

Taylor found that 8 of the recipients of loans from a

Taylor found that 8% of the recipients of loans from a particular mortgage lending institute default within the first 3 years. If he takes a random sample of 4 customers, who received loans 3 years ago, what is the proba ...

Using chebysheffs theorm you have concluded that at least

Using Chebysheff's theorm, you have concluded that at least 77.66% of the 3,075 runners took between 60.5 and 87.5 minutes to complete the 10km race. What was the standard deviation of these 3,075 runners?

A die is rolled four times what is the probability that the

A die is rolled four times. What is the probability that the sum of four numbers equals 13?

A survey is conducted from a population of people of whom

A survey is conducted from a population of people of whom 65?% have a college degree. The following sample data were recorded for a question asked of each person? sampled, "Do you have a college? degree?" Complete parts ...

Thirty-eight percent of consumers prefer to purchase

Thirty-eight percent of consumers prefer to purchase electronics online. You randomly select 16 consumers. Find the probability that the number who prefer to purchase electronics online is at most 5.

How can a graph or chart of data help you understand the

How can a graph or chart of data help you understand the results? What is a frequency table? Describe an example where a frequency table can be used in life.

Loking for guidancea distribution of exam scores has mu

Looking for guidance: A distribution of exam scores has μ = 90 and σ = 10. In this distribution, Sharon's score is 9 points above the mean, Jill has a z-score of +1.20, Steve's score is ½ standard deviation above the mea ...

Question 1 many high school students take the ap tests in

Question 1. 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 too ...

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 ...

Determine the operating cash flow ocf for kleczka llc based

Determine the operating cash flow? (OCF) for? Kleczka, LLC., based on the following data. During the year the firm had sales of $2,548,000?, cost of goods sold totaled $1,802,000?, operating expenses totaled $320,000?, a ...

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