Probability
Not what you're looking for?
Please indicate whether below statements are True or False? (explain shortly why):
1. If events A and B are independent, then P(A/B) is always equal to zero.
2. If events A and B are mutually exclusive, then P(A/B) is always equal to zero.
3. If the probability of success is 0.4 and the number of trials in a binomial distribution is 150, then its standard deviation is 36.
4. If a fair coin is tossed 100 times, then the variance of the random variable defined as the number of heads is exactly five.
5. If a fair coin is tossed 20 times then the probability of exactly 10 Tails is more than 15 percent.
Purchase this Solution
Solution Summary
True or false for probability, independents, and mutually exclusive events are determined.
Solution Preview
See attached file.
Please indicate whether below statements are True or False? (explain shortly why):
1. If events A and B are independent, then P(A/B) is always equal to zero. False, if A and B are ...
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.