• Tidak ada hasil yang ditemukan

The Standard Normal Probability Distribution

N/A
N/A
Info
Unduh - Bebas
Protected

Academic year: 2024

Membagikan "The Standard Normal Probability Distribution"

Copied!
6
0
0

Memuat.... (Lihat teks lengkap sekarang)

Unduh sekarang ( 6 Halaman )

Teks penuh

(1)

The Standard Normal Probability Distribution

1

(2)

The Standard Normal Probability Distribution

•

The standard normal distribution is a normal distribution with a mean of 0 and a standard deviation of 1.

•

It is also called the z distribution.

•

A z-value is the signed distance between a selected value, designated X, and the population mean , divided by the population standard deviation, σ.

•

The formula is:

2

(3)

Areas Under the Normal Curve

3

(4)

The Normal Distribution – Example

The weekly incomes of shift foremen in the glass industry follow the

normal probability distribution with a mean of $1,000 and a standard deviation of $100.

What is the z value for the income, let’s call it X, of a foreman who earns

$1,100 per week? For a foreman who earns $900 per week?

(5)

The Empirical Rule

• About 68 percent of the area under the

normal curve is within one standard deviation of the mean.

• About 95 percent is within two standard deviations of the mean.

• Practically all is within three standard

deviations of the mean.

(6)

The Standard Normal Probability Distribution

Thank You

6

Referensi

Unduh sekarang ( PDF - 6 Halaman - 598.20 KB )

Dokumen terkait

Standard Normal (Z) Table Area between 0 and z

For example, to determine the .05 critical value for an F distribution with 10 and 12 degrees of freedom, look in the 10 column (numerator) and 12 row (denominator) of the F Table

111 POWER AND SIZE OF NORMAL DISTRIBUTION AND ITS APPLICATIONS Budi Pratikno

The research studied power and size of normal distribution and its applications on linear regression model.. The recommendation of the test is given by choosing

Probability Statistics for Engineers Scientists

For example, if the test is two tailed and α is set at the 0.05 level of significance and the test statistic involves, say, the standard normal distribution, then a z-value is

Jember Creative Industry Distribution Model Towards the International Market

The application of the fishbone diagram is designed to formulate a distribution model for the creative industry in the performance sector in Jember Regency towards

ON A PERTURBATION OF THE STUDENT t DISTRIBUTION

We show that the probability distribution with density function (2) is in- finitely divisible and obtain the L´evy measure of the Student t distribution from the L´evy mesure of

Quasi-Probability Husimi-Distribution Information and Squeezing in a Qubit System Interacting with a Two-Mode Parametric Amplifier Cavity

Then, we analyze the dynamics of quantum coherence based on the quasi-probability Husimi distribution, and the quantum squeezing when the two-mode parametric amplifier cavity fields

Get the best grade in the shortest time possible!

Introduction 137 4.1 Probability Density Functions 138 4.2 Cumulative Distribution Functions and Expected Values 143 4.3 The Normal Distribution 152 4.4 The Exponential and Gamma

View of A New Extension of the Inverse Paralogistic Distribution using Gamma Generator with Application

Probability density function of a gamma family with normal distribution base model Some of the models available in the literature with properties developed and with illustration for