Choose what distribution is appropriate and solve. Four clerical positions and 5technical staff positions wereavailable. Four applicantsarrived during the interview.We are interested in theprobability that all four clericalpositions be filled. * Thirty percent of a populationof consumers is reputed toprefer a particular brand, sayBrand A, of shampoo. If agroup of consumers areselected at random andinterviewed, what is theprobability that exactly 8people have to be selecteduntil interviewing the 4consumer who prefer brandA? *

As per guidelines expert have to answer first question only dear student please upload other…

Four clerical positions and 5 technical staff positions were available. Four applicants arrived during the interview. We are interested in the probability that all four clerical positions be filled. *

Four clerical positions and 5 technical staff positions were available. Four applicants arrived during the interview. We are interested in the probability that all four clerical positions be filled. *

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Question

Choose what distribution is appropriate and solve.

Four clerical positions and 5
technical staff positions were
available. Four applicants
arrived during the interview.
We are interested in the
probability that all four clerical
positions be filled. *

Transcribed Image Text:Thirty percent of a population of consumers is reputed to prefer a particular brand, say Brand A, of shampoo. If a group of consumers are selected at random and interviewed, what is the probability that exactly 8 people have to be selected until interviewing the 4 consumer who prefer brand A? *

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