Purchase Solution

Probability - Geologist's Analysis of Grantie Specimen

Not what you're looking for?

Ask Custom Question

A geologist has collected 10 specimens of basaltic rock and 10 specimens of granite. The geologist instructs a laboratory assistant to randomly select 15 of the specimens for analysis.

a. What is the PMF of the number of granite specimens selected for analysis?

b. What is the probability that all specimens of one of the two types of rock are selected for analysis?

c. What is the probability that the number of granite specimens selected for analysis is within 1 of its mean or expected value? Hint: First find E(X).

Purchase this Solution

Solution Summary

The expert determines what the PMF of the number of granite specimens selected for analysis are. The probability that all specimens of one of the two types of rock are selected for analysis are given. The solution is comprised of a dozen or more lines of calculations with a few words' explanation, attached as a Word document.

Solution Preview

Statistic's Class Questions #17

A geologist has collected 10 specimens of basaltic rock and 10 specimens of granite. The geologist instructs a laboratory assistant to randomly select 15 of the specimens for analysis.

a. What is the PMF of the number of granite specimens selected for analysis?

b. What is the probability that all specimens of ...

Purchase this Solution


Free BrainMass Quizzes
Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.

Know Your Statistical Concepts

Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.

Measures of Central Tendency

This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.

Measures of Central Tendency

Tests knowledge of the three main measures of central tendency, including some simple calculation questions.