Statistics and Probability Answers

How many necklaces can be composed of five white and two black beads?

Shown are the percent frequency distributions of job satisfaction scores for a sample of investment banking executive managers (IB) and investment banking financial advisers. The scores range from a low of I (very dissatisfied) to a high of 5 (very satisfied).

a. Develop a probability distribution for the job satisfaction score of an executive manager.
b. Develop a probability distribution for the job satisfaction score of a financial adviser.
c. what is the probability an executive manager will re

An airline tracks data on its flight arrivals. Over the past six months, 65 flights on one route arrived early, 273 arrived on time, 218 were late, and 44 were cancelled. What is the probability that a flight is early? On time? Late? Cancelled? Are these outcomes mutually exclusive? what is the probability that a flight is either early or on time?

Suppose candidate A receives 54% of the entire vote, but only 48% of the female vote. A voter is selected at random for an interview. What is the probability that the voter is a woman who voted for candidate A?

With the measurements of 30 cm, 27cm on the left side of the dart board, 1cm and 3cm on the bottom, 0.75cm and 14cm on the right side, what is the probability of landing on black backing, a red backing, green backing, scoring a 12 on any given throw, scoring at least a 10 on any given throw, and the expected score on any given throw?

What are the forumulas to calculate the index number?

What is correlation?

What is the best statistical method of testing this hypothesis - A has a stronger association with x than B has with x. (A and B are separate independant variables and x is the dependant variable).

What is the probability of events in the classical scheme of tests?