Assume that the times between the birthday messages are

Assignment Help Basic Statistics
Reference no: EM13616084

It is your birthday and you are waiting for someone to write you a birthday message on

Facebook. On average (on your birthday) you receive a facebook message every 10 minutes.

Assume that the times between the birthday messages are independent.

a) What is the probability the next posting takes 15 minutes or longer to appear?

b) What is the standard deviation of the time between birthday postings?

c) What is the probability that it takes 12.5 minutes for the next birthday posting?

d) Suppose that the most recent birthday posting was done at 1:40 pm and it is now 1:45 pm.

What is the probability that you will have to wait until 1:53 pm or later for the next message?

e) What is your median waiting time for birthday messages?

Reference no: EM13616084

Questions Cloud

Discuss key reasons why a country should engage in global : 1. discuss key reasons why a country should engage in global trade and describe the control systems that can be put in
If an exercise scientist wants to estimate the proportion : in an october 2012 survey of 7786 randomly selected adults living in germany 5840 said they exercised for at least 30
The alphacor company experiences some type of failure on : the alphacor company experiences some type of failure on its computer network on average once every 4 hours. assume
An hmo requests your hospital services for its obstetrics : an hmo requests your hospital services for its obstetrics division. it offers to pay your hospital 2000 for a vaginal
Assume that the times between the birthday messages are : it is your birthday and you are waiting for someone to write you a birthday message onfacebook. on average on your
How is capital structure linked to firm valuation capital : 1 discuss the pricing of stock options? answer the following in your essayi. which authors are influential in valuation
How much force is needed to stretch a spring k 1000 nm by : how much force is needed to stretch a spring k 1000 nm by 8 cm? a simple pendulum has a period t. if we double the
What is the expected return of this asset enter answer in : 1. investigating a particular stock you estimate the following returns and their associated probabilitiesprobability
You want to make an average rate of return of 82 on your : 1. you earned a 7.1 nominal rate of return on your investments over the past year. but at the same time the reported

Reviews

Write a Review

Basic Statistics Questions & Answers

  Number of hurricane that formed during each hurricane season

The number of hurricanes that are formed during each hurricane season can be modeled using the Poisson probability distribution. History suggests that the average if number of hurricanes formed during a year is 6.0 hurricanes.

  Using original data and estimate population standard

Using the original data, estimate the population standard deviation with 90% probability.

  Is there evidence that the population mean amount is

question a manufacturer of chocolate candies uses machines to package candies as they move along a filling

  You roll 2 dice and consider the sum of the two

Suppose that you roll 2 dice and consider the sum of the two. Let A be the event of throwing odd, B be the event of throwing 4 or less and C be the event of throwing a multiple of 3.a) What is the sample space S and the corresponding probability of e..

  Find the total revenue at break even point

With a selling price of 40 dollars each, how many pool cues must be sold to break even? What would the total revenue be at this break even point?

  A arbitrary sample of students is selecte

A arbitrary sample of 8 students is selected. Illucidate the probability that among the students in the sample at least 7 are female.

  Nilpotents and zero divisors

Let x be a nilpotent element of the commutative ring R i.e. x^m for some positive integer m. Prove that x is either zero or a zero divisor

  Why the distribution becomes plausible

A log-normal distribution results (which gets its name from the fact that if the logarithm is taken, the distribution becomes normal). But why is that plausible?

  Computing confidence interval estimate for population mean

An auditor for a large oil corporation has taken a random sample of monthly credit card charges for 32 individual (non-corporate) accounts.

  Decision rule and p-value-radial truck tire

The manufacturer of the X-15 steel-belted radial truck tire claims that the mean mileage the tire can be driven before the tread wears out is 60,000 miles. The standard deviation of the mileage is 5,000 miles.

  Assume that adults have iq scores that are normally

assume that adults have iq scores that are normally distributed with a mean of 100 and a standarddeviation of 15 as on

  Computing confidence interval-absent for sickness

Create a 95% confidence interval for the population mean days absent for sickness based on this sample. Select the answer closest to your results.

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