Answered: what is the probability that a randomly…

what is the probability that a randomly selected person who impoved was given the drug drug placebo control total improved 70 55 20 145 not improved 30 45 80 155 would the answer be

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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Concept explainers

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

Question

what is the probability that a randomly selected person who impoved was given the drug

drug placebo control total

improved 70 55 20 145

not improved 30 45 80 155

would the answer be 70/145?

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