Purchase Solution

probability problem

Not what you're looking for?

Ask Custom Question

Two events, A and B are equally likely. The chance that either A or B happens on a given trial of an experiment is 0.70, while the chance that they both happen on a given trial is only 0.40.

What is the probability that event A happens?

Purchase this Solution
Solution Summary

Help with a probability problem is given with a visual to explain.

Solution Preview

Hi
<br>
<br>I think the difficulty with this question is that it is hard to visualise so I have drawn a diagram (see attachment).
<br>
<br>We are given:
<br>the chance of A = the chance of B
<br>the ...

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.

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.

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.

View More Free Quizzes
Related BrainMass Solutions

  • Bayesian Probability

    Probability that car has a problem = 18% Probability that a problem exists but is not detected = 12% Therefore, "Probability that car has a problem AND It is not detected' = Probability that car has a problem x Probability that a problem exists

  • Probability Problems: Random Selection

    What is the probability that a randomly chosen problem is not fully reimbursed?

  • The "birthday problem" in probability theory

    578177 The "birthday problem" in probability theory One of the most famous probability calculations is called the "birthday problem".

  • Binomial Probability Distribution

    This is binomial distribution p= probability that there is starter problem= 15% q=1-p= probability that there is no starter problem= 85% n= 12 A) exactly two owners will have starter problems.

  • blonde hair probability problem

    92153 Blonde hair probability problem In a sample of 2400 people, 170 have blonde hair. Two unrelated people are selected at random... (See attached file for full problem description) a.

  • Introduction to Probability Distribution

    So the probability is: Pb= 14/62 =0.225 Since there are 10 customers who are both on business trip and experiencing hotel problem, the probability that a customer will be on a business trip (Pa) or will experience a hotel problem during a stay at

  • Branching Process and Markov Chain

    See attached file for full problem description. Please see the attached file.

  • Probability with dice

    In problem 1, event A is getting a 6 on the first roll, and event B is getting a 5 on the second roll. Since the probability of each of these is , and , so . Problem 2 is similar, but this time event B is getting a 2 or a 5.

  • Probability and Randomness: Parts a Million

    For this problem, we want to find the probability of success by calculating the cumulative binomial probability, that is, the probability of success x or fewer times.

  • Probability of Cards in a Deck

    Problem #1 (a) What is the probability of choosing 6 face cards out of 8 chosen (through binomial distribution holds, meaning with replacement)?

View More Related Solutions