Probability, How do you set this up using probability distribution table?

If the probability distribution for the random variable X is given in the table, what is the expected value of X?

Probability, Selection.

A 4 person grievance committee is to be composed of employees in 2 departments, A and B, with 15 and 20 employees, respectively. If the 4 people are selected at random from the 35 employees, what is the probability of selecting: A. 3 from A and 1 from B? B. 2 from A and 2 from B? C. All from A? D. At least 3 from A? ...continues

In a game of dice, find the expected value.

On three rolls of a single die you will lose $10 if a 5 turns up at least once, and you will win $7 otherwise. What is the expected value of the game?

Markov Chain, properties

All welders in a factory begin as apprentices. Every year the performance of each apprentice is reviewed. Past records indicate that after each review, 10% of the apprentices are promoted to professional welder, 20% are terminated for unsatisfactory performance, and the remainder continue as apprentices. A. Draw a transitio ...continues

Mathematics of Finance

A printer was purchased for $1200 and has a salvage value of $100. If it is expected to produce a 150,000 copies, a) what is the unit depreciation for the ptinter? b) if it has printed 12,000 copies the first year, what is the year end depreciation? * do not round off in the middle of the problem

Sets & Counting

Problem: Out of 30 job applicants, 11 are female, 17 are college graduates, 7 are bilingual, 3 are female college graduates, 2 are bilingual woman, 6 are bilingual college graduates, and 2 are bilingual female college graduates. What is the number of women who are not college graduates but nevertheless are bilingual?

Probablity

P(8,5) = a. 5!/8! b. 8*7*6*5*4 c. 8*7*6*5 d. 8!/5!3!

Sets, Counting & Probability

Problem: Eight Horses are entered in a race. In how many ways can they cross the finish line if ties are not allowed?

Sets, Counting and Probability

A light Bulb manufacturer tests a light bulb by letting it burn until it burns out. The experiment consists of observing how long (in hours) the light bulb burns. Let E be the event "the bulb lasts less than 100 hours", F be the event "the bulb lasts less than 50 hours",and G be the event "the bulb lasts more than 120 hours." T ...continues

Sets, Counting & Probability

Problem: In a local election, there are eight candidates for five positions as judges on the Supreme Bench. The number of possibel outcomes of the election is: ?