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.
5- DO NOT REFRESH OR PRESS BACK BUTTON ON YOUR WEB BROWSER.
All the best.

NameEmail
1) If A and B are mutually exclusive events then
2) The number of suicides reported in a particular city will be described by
3) A Tyre Company stocks three brands of tyre: brand X; brand Y and brand Z. 40% are Brand X, 35% are brand Y and 25% are brand Z. The percentage of defective tyres are 2% of brand X, 1% of brand Y and 3% of brand Z. If a tyre is picked at random what is the probability that it is defective?
4) Which of the following is not a property of a binomial experiment?
5) An experiment consists of making 80 telephone calls in order to sell a particular insurance policy. The random variable in this experiment is a
6) A randomly selected sample of 400 students at a university with 15-week semesters was asked whether or not they think the semester should be shortened to 14 weeks (with longer classes). Forty six percent (46%) of the 400 students surveyed answered "yes." Which one of the following statements about the number 46% is correct?
7) Nearly all the distributions are special cases of Poisson distribution
8) Suppose that a quiz consists of 20 True-False questions. A student hasn't studied for the exam and will just randomly guesses at all answers (with True and False equally likely). How would you find the probability that the student will get 8 or fewer answers correct?
9) Let A and B be events such that P (A) = 0.7 and P (B) = 0.9. Calculate the largest possible value of P (A ∪ B) − P (A ∩ B).
10) Which one of these variables is a binomial random variable?
11) which of the following is a correct statement?
12) Suppose that the probability of event A is 0.2 and the probability of event B is 0.4. Also, suppose that the two events are independent. Then P(A|B) is:
13) Which one of these variables is a continuous random variable?
14) A workforce consists of seven workers. How many different three worker teams is it possible to select?
15) If two events (both with probability greater than 0) are mutually exclusive, then


Thank you for taking - Managerial Statistics



Give your best to show up in the board below:

Leaderboard for Managerial Statistics

1. Suraj J-13 Points
2. Sangeeta Ray-10 Points
3. Kevin Jose-10 Points
4. Aaradhya Shukla-10 Points
5. 1420347-10 Points