Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

describe Expected value and variance and standard deviation.

A volunteer ambulance service handles 0 to 5 service calls on any given day.  The likelihood distribution for the number of service calls is as follows

Number of Service Calls

Probability

Number of service calls

Probability

0

0.1

3

0.2

1

0.15

4

0.15

2

0.3

5

0.1

a) describe what is the expected number of service calls?

b) describe what is the variance in the number of service calls?  What is the standard deviation?

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M923355

Have any Question? 


Related Questions in Statistics and Probability

1 what are order effects and how does counterbalancing help

1. What are order effects, and how does counterbalancing help us deal with them? 2. Distinguish between treatment, confound, and error variance. 3. Which is worse--confound variance or error variance? Why?

1 what geographical and historical factors have led

1. What geographical and historical factors have led Singapore to develop such a particular, and highly valued, local form of the English language? 2. Why are the tiny Spratly Islands such a controversial issue in Southe ...

Asume that you plan to use a significance level of alpha

Assume that you plan to use a significance level of α = 0.05 to test the claim that p1 = p2. Use the given sample sizes and numbers of successes to find the P-value for the hypothesis test. n1 = 50 n2 = 50 x1 = 8 x2 = 7

The manager of a pizza chain in albuquerque new mexico

The manager of a pizza chain in Albuquerque, New Mexico, wants to determine the average size of their advertised 16-inch pizzas. She takes a random sample of 25 pizzas and records their mean and standard deviation as 16. ...

1 distinguish between a quota sample and a purposive

1. Distinguish between a quota sample and a purposive sample. 2. What three criteria characterize good descriptions of data?

What is voter suppression in america write one page

What is voter suppression in America. Write one page explaining voter's suppression.

125 wordsexplain the history behind the black soldier of

125 words Explain the history behind the Black Soldier of the Civil War In this forum look beyond the book for information on specific units, soldiers and even the reasons for why Lincoln allowed the African American to ...

Let n y fiiisinn s p be an aumann model of incomplete

Let (N, Y, (F i ) i ∈N , s, P) be an Aumann model of incomplete information with beliefs, and let W ⊆ Y be an event. Prove that (N,W, (F i  ∩ W) i ∈N  , P(· | W)) is also an Aumann model of incomplete information with be ...

Each of the following sentences violates a basic rule of

Each of the following sentences violates a basic rule of report writing. Indicate the relevant difficulty in each case. a. "The scale was coded to assess optimism, or lack thereof, in the participants." b. "Seven of the ...

You are purchasing a home for 220000 the down payment is 30

You are purchasing a home for $220,000. The down payment is 30% and the balance will be financed with a 20- year mortgage at 9% and 2 discount points. You put down a deposit of $5,000 (applied to the down payment) when t ...

  • 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

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro

Describe what you learned about the impact of economic

Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen