Question: Mean, Mean, x = 7.5 Standard Deviation, x = 0.178 ITEM: Globe Ball/ Big Pencil/ Globe Keychain COST (x): $.70 / $.35 / $.25 PROBABITITY:

Mean, Mean, _x = 7.5

Standard Deviation, _x= 0.178

ITEM: Globe Ball/ Big Pencil/ Globe Keychain

COST (x): $.70 / $.35 / $.25

PROBABITITY: .3 / .5 / .2

A second grade teacher gives students prizes for participating in a geography extra-curricular activity.There are three prizes that a student can choose from.The table shows the cost of the item and the probability that the item will be chosen.The student can only choose one prize.On one occasion twenty children participated.As the teacher looks at the prize box and she realizes that it only contains four globe key chains.What is the probability that on this occasion the five or more children want a key chain for a prize?

What is the probability that a child will choose a globe key chain or a big pencil?

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

1. If extreme values occur in the data set, which of the following measures of central tendency are the most appropriate A. B. C. D. E. 2. The The The The The mean median mode variance standard...

Group: PERON A+ PERSON B +PERSON C 1- Introduction 2- Literature a. Definition of operation management b. Definition of operation strategy and why it is important c. Components of operations strategy...

Exam 2 Statistical Analysis Part 1 of 1 - Question 1 of 20 5.0/ 100.0 Points 0.0/ 5.0 Points The stacked bar chart below shows the percentages of death due to cancer in four geographic regions of the...

Instuctor's Annotated Edition TENTH EDITION Understandable Statistics Concepts and Methods Charles Henry Brase Regis University Corrinne Pellillo Brase Arapahoe Community College Australia Brazil...

Task 7 1. A discrete random variable has a mean of 400 and a variance of 64. What is the standard deviation? (Points : 1) 20 64 8 400 None of the above Question 2. 2. Data for a particular...

Set Student Name: 1. Describe the relationship between two variables that have a correlation coefficient value: a. Near -1 b. Near 0 c. Near 1 2. Data was collected where a weightlifter was asked to...

Lecture Notes DL MGT 5100 - Distribution Management Spring 2017 1.0. Day one, Monday, Monday, 9 Jan 17 1.1. Reading Assignments: Chapters 1 and 2 1.1.1. I intend to follow the book so as to provide a...

IOE 419 Mark S. Daskin Service Operations Management IOE Department Winter, 2017 University of Michigan Problem set 4 DUE: MONDAY - February 20, 2017 Points: 100 points total Problem 1: Babette has...

calculate the molarity of the solution. the volume of the standard solution is 250 ml. The molar mass of potassium iodate is 214.001 g mol ^-1. Mass of KIO3 0.630 g M= ((mass KlO3 (g)/ molar mass...

Air at 300 K and 300 kPa is heated at constant pressure to 1000 K. Determine the change in specific internal energy (u) using. (a) Perfect gas model with cp evaluated at 298 K, (b) Perfect gas model...

Exercise 2 ( Chapter 9 - DM Budget ) RBG Inc manufactures water bottles. Planned production for the next quarter is provided below: Additionally, the company has a policy to maintain 1 0 % of the...

I read the information lines and computed all the values. My answer was said to be partially incorrect. Please help. An annual income statement needs to be computed for the given information. Thank...