Business Statistics - Study Mode
[#346] Which of the following statement is true?
Correct Answer
(D) All of the above
[#347] There are 'm' number of favourable eases to event A and 'n' are non-favourable eases, both are equally likely and mutally exclusive, the probability of occurring the event A is $$Pleft( A
ight) = frac{m}{{m + n}}.$$ xa0 This formula corresponds to which one of the following approaches to probability?
Correct Answer
(A) Classical approach to probability
[#348] Interviewing all members of a given population is called
Correct Answer
(C) a census
[#349] Twenty-one students took a management course examination. The sample variance is found to be 80. The teacher claims that based on his past experience the true variance has been at least 100. Does the sample result show that the population variance significantly less than 100?
Correct Answer
(A) The variability is not significant
[#350] Secondary data cannot help in
Correct Answer
(A) observing retail behaviour