Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

Define Normal probability distribution.

1) If the random variable X has a cruel of µ and a standard Deviation s, then (X-µ)/s has a mean and standard Deviation respectively-

a) and

b) and s

c) 0 and 1

d) 1 and 0

2) The price-to-earnings ratio for firms in a given industry is distributed according to normal Distribution. In this industry and a firm with a standard normal variable value of Z=1:

a) Has an above average price-to-earnings ratio

b) Has a below average price-to-earnings ratio

c) Has an average price-to-earnings ratio

d) May have an above average or below average price-to-earnings ratio

3) describe the normal approximation of the binomial Distribution is appropriate when:
a) Np ³ 5
b) N (1-p) ³ 5
c) Np ≤ 5
d) Np ³ 5 anD N (1-p) ≤ 5
e) Np ³ 5 anD N (1-p) ³ 5

4) Which of the subsequent statements is not a property of the normal probability Distribution?

a) The normal Distribution is symmetric

b) 95.44% of all possible observed values of the random variable x are within plus or minus three standard deviations of the population mean

c) The mean, median and mode are equal

d) The area under the normal curve to the right of the mean is equal to the area under the normal curve to the left of the mean

e) All of the above answers are properties of the normal distribution

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M919374

Have any Question? 


Related Questions in Statistics and Probability

1 describe a 2 x 2 x 3 factorial design how many

1. Describe a 2 x 2 x 3 factorial design. How many independent variables are involved, and how many levels are there of each variable? How many experimental conditions are in a 2 x 2 x 3 factorial design? 2. Distinguish ...

Assignment choice 1 the great migrationwrite an essay on

Assignment Choice #1: The Great Migration Write an essay on the great migration of the black population to the northern United States.  What were the reasons for the great migration? What were some of the risks involved ...

What is the probability that a customer who bought an item

What is the probability that a customer who bought an item at regular price purchased the extended warranty? Purchased extended warranty of regular price- 0.21 Purchased extended warranty of sale price - 0.14 Did not pur ...

Researchers use hierarchical regression cross-lagged panel

Researchers use hierarchical regression, cross-lagged panel designs, and structural equations modeling to partly resolve the problems associated with inferring causality from correlation. a. Describe how each of these an ...

Consider rolling a fair 6-faced die twice let a be the

Consider rolling a fair 6-faced die twice. Let A be the event that the sum of the two rolls is atmost 6, and B be the event that the first one is an even number. (a) What is the probability that the sum of the two rolls ...

1 you wish to learn the proportion of mba students that are

1.) You wish to learn the proportion of MBA students that are female within 3%, and with 98% confidence. How large of a sample should you get? 2.) You wish to learn the average age of an MBA student within 2 years and wi ...

A history class is comprised of 8 female and 6 male

A history class is comprised of 8 female and 6 male students. If the instructor of the class randomly chooses 5 students from the class for an oral exam, what is the probability that 2 female students and 3 male students ...

1 does the average iq for residents of a state vary with

1. Does the average IQ for residents of a state vary with the amount that the state spends on education? Seven of the 50 U.S. states were randomly selected. The amount that each spent per student (in thousands of dollars ...

1 can single-case experimental designs be used to test the

1. Can single-case experimental designs be used to test the effects of various levels of an independent variable (as in a one-way group design)? Explain. 2. How many levels of the independent variable are there in an ABA ...

Your assignment this week is to describe structural

Your assignment this week is to describe structural equation modeling in which you include: (a) a comparison of the first and second generation models of structural equation modeling and their related major assumptions, ...

  • 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