Purchase Solution

Probability - Statistics

Not what you're looking for?

Ask Custom Question

An industrial chemical to retard the spread of fire in paint has been developed. From past experience, 48% of sales calls will result in an order.

a) What is the probability that the first order will come on the fourth sales calls of the day?

b) If eight sales calls are mad in a day, what is the probability of receiving exactly 6 orders?

c) If 4 sales calls are made before lunch, what is the probability that 1 or fewer results in an order?

Purchase this Solution

Solution Summary

A neat and step-wise solution is provided to determine the probability of orders based on the number of sales calls.

Solution Preview

p = 0.48, q = 1 - p = 0.52; P(r, n) = nCr * p^r * q^(n - r).

(a) P(First order on the ...

Purchase this Solution


Free BrainMass Quizzes
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.

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.