Managerial Statistics Practice test

Instructions for Students:

1- Kindly attempt all the questions, before submitting.
2- For every correct answer, you will get 1 mark.
3- There is no negative marking.
4- Try to submit quiz, before the time runs out.
All the best.

1) If two events (both with probability greater than 0) are mutually exclusive, then
2) Which one of these variables is a binomial random variable?
3) A frequency distribution provides the following information
4) which of the following is a correct statement?
5) Consider the following data: 1, 7, 3, 3, 6, 4
the mean and median for this data are
6) The probabilities of X, Y, Z becoming managers are 4/9, 2/9 and 1/3 respectively. The probability that the bonus scheme will be introduced, if X, Y , Z becomes managers are, 3/10, 1/2, and 4/5 respectively. If the bonus scheme has been introduced, what is the prob. that a manager appointed was X
7) The mean is a measure of
8) An experiment consists of making 80 telephone calls in order to sell a particular insurance policy. The random variable in this experiment is a
9) If you are told a sample has a mean of 19 and a variance of 0, what must you conclude?
10) Which of the following is not a property of a binomial experiment?

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