Kindly solve these Random samples of size n were selected from binomial populations with population parametersgiven here. Find the mean and the standard deviation of the sampling distribution ofthe sample proportion p in each case. (Round your answers to four decimal places.)(a) n = 900, p = 0.3meanstandard deviation(b) п %3400, р= 0.1meanstandard deviation(c) n =260, р0.2meanstandard deviation

For given case formula for mean and standard deviation is given by (a) n=900 p=0.3 Hence,

Answered: Kindly solve these

Engineering

Electrical Engineering

Kindly solve these

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter6: Power Flows

Section: Chapter Questions

Problem 6.22P

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Concept explainers

Dielectric Breakdown

A dielectric is a material with low electrical conductivity and so is classified as an insulator. Dielectric materials are used to block the flow of electricity through them, allowing them to behave as an insulators. They can also be used to store electric charge or improve capacitance.Dielectrics have no free electrons for conduction because electrons are tightly bound to the nucleus. Because dielectrics contain a small number of electrons for electrical conductivity, they have a dipole. The two primary roles of dielectrics in electrical devices are insulation and electrical energy storage. An electric field polarizes the dielectric, and the polarization of the molecules allows dielectric materials to store charge.

Question

Kindly solve these

Random samples of size n were selected from binomial populations with population parameters
given here. Find the mean and the standard deviation of the sampling distribution of
the sample proportion p in each case. (Round your answers to four decimal places.)
(a) n = 900, p = 0.3
mean
standard deviation
(b) п %3
400, р
= 0.1
mean
standard deviation
(c) n =
260, р
0.2
mean
standard deviation

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