Find expectations of random variables

Assignment Help Basic Statistics
Reference no: EM13111970

Two fair six-sided dice are tossed independently. Let X be value of first die, and Y value of second. Find out the expectations of following random variables.

a. X + Y
b. |X -Y |

Reference no: EM13111970

Questions Cloud

What is the minimum number of replication : DNA (3.5 x 108 base pairs) in diploid cells of Drosophila melanogaster is replicated in about 3 minutes. Assuming that all replication forks move at a constant rate of 104 base pairs per minute, what is the minimum number of replication units pres..
Branch of a fast-food chain : The waiting time to place an order at a branch of a fast-food chain during the lunch hour has had population mean of 3.55 minutes, with a population standard deviation of 1.1 minute.
Create confidence interval using four-step process : Of 880 respondents, 171 admitted that at least one light had been red. Follow four-step process to create 95% confidence interval.
What would you advise her in terms of preventive actions : Alice expresses guilt that she may have caused Lauren's autism disorder, and is also concerned that it might occur again in future offspring. What would you advise her in terms of preventive actions, available testing, and reproduction options whe..
Find expectations of random variables : Two fair six-sided dice are tossed independently. Let X be value of first die, and Y value of second. Find out the expectations of following random variables.
Explain why the patient is experiencing shortness of breath : A 25-year-old graduate student presents to the university health center complaining of acute shortness of breath. The patient states that he returned home yesterday from a non-stop flight from Sydney, Australia.
Find probability that person with different eye color shows : let Xn be number of people selected until first person with non-blue eyes shows up, and let X be number of people select until first person with different eye color to preceding people shows up. Find out E(Xb), E(Xn) and E(X).
What is the pathogenesis to asthma : An 18-year-old male with a history of asthma presents to the emergency room complaining of shortness of breath and wheezing. What is the pathogenesis to asthma? What is the drug of choice?
What is the most likely organism : a 45-year old lawyer presents to you office complaining of sporadic cough, fatigue, and low-grade fever for the past seven days. ten days prior, he attended a convention in chicago where the air conditionaer was set at 68 f.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Carrying goodness of fit chi-square test

When we carry out a goodness of fit chi-square test, the expected frequencies are based on the alternative hypothesis

  Neurological deficits in soccer players

Downs and Abwender (2002) found neurological deficits in soccer players who are routinely hit on the head with soccer balls compared to swimmers, who are also athletes but who are not regularly hit in the head. Is this an example of an experimenta..

  Business development in the state of pennsylvania

A regional director responsible for business development in the state of pennsylvania is cocerned about the number of small business failures. If the mean of small businsses failures per month is 10,

  Hypotheses test for mean of the population

Formulate the hypotheses to test to see if the mean of the population is at least 12 ounces.

  Finding all possible combinations for the given data

What are the possible combinations of coins that Sanjay could have received in change?

  Confidence interval for the true population mean

To find the 95 percent confidence interval for the true population mean. From the results below, is it true that 95% of the sample means will fall

  Hypothesis test of difference between two means

Hypothesis test of difference between two means based on independent random samples, which one of the given is correct rejection region at significance level of .05?

  Relationship between two variables

Calculate, test, and interpret the relationship between two variables using the correlation coefficient.

  Probability based on geometric distribution

Follow the conventions as described in the general guidelines for writing up Special Problems.

  Computing probability of waiting by cumulative distribution

Determine probability of waiting less than 12 minutes between successive speeders. By using cumulative distribution function of X.

  Confidence and prediction intervals for light bulb life

An electrical firm manufactures light bulbs that have a length of life that is approximately normally distributed. If a sample of 16 bulbs has an average life of 50 hours and the population standard deviation is known to be 10 hours.

  Compute the correlation and sample covariance

Compute the correlation and sample covariance. Compute the sample covariance and the sample correlation. Intuitively, what kind of correlation.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd