Purchase Solution

What is the probability of smokers starting to smoke before 18?

Not what you're looking for?

Ask Custom Question

According to recent research, 80% of adut smokers started smoking before they were 18 years old. Suppose ten smokers are randomly selected and the number of smokers who started smoking before 18 is recorded.

A) Find the probability that exactly eight started smoking before turning 18 years of age.

B) Find the probability that more than eight started smoking before turning 18 years of age.

C) Find the probability that eight or less started smoking before turning 18 years of age.

Purchase this Solution

Solution Summary

The probability in each case is provided in the solution.

Purchase this Solution


Free BrainMass Quizzes
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.

Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.

Measures of Central Tendency

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

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.