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Probability

Probability Evidence of a Serious Illness

A doctor finds evidence of a serious illness in a particular patient and must make a determination about whether or not to advise the patient to undergo a dangerous operation. If the patient does suffer from the illness in question, there is a 95% probability that he will die if he does not undergo the operation. If he does unde

Probability

50. U.S. Population The population of the United States by race in 2000 and the projected population by race for the year 2025 are given below (in thousands).* Race 2000 2025 White 196,700 209,900 Hispanic 32,500 56,900 Afr

Mean, Median, Mode, Probability, Parallelograms

1. The weights in pounds of six elementary students are: 80,92,71,63,76, and 83. Find the following: (a) mean ____________ (b) median ____________ (c) mode __________ (d) range ___________ (e) standard deviation (to the nearest tenth of a pound) _______________ 2. A bag contains fiv

Poisson distribution

When are the Poisson and negative exponential distributions used and What are the advantages and limitations of simulation models?

Expected Value of Perfect Information..

A consulting firm has an option to bid on a contract that will yield $500,000 profit if it is awarded the contract. However, if the firm decides to bid on the contract and it is not awarded to the firm, it will incur a net loss of $125,000 due to the personnel cost involved in developing the contract proposal and profits lost fr

Practical uses of probability theory

What are some practical uses of probability theory ? Can you think of two examples in your work day or personal experiences ? There are two bags each containing red balls and blue balls. Bag A contains 1 red and 4 blue balls. Bag B contains 3 red and 13 blue balls. Lucky Louie says you should always choose Bag B i

Calculation of probability of an event.

Sixty percent of the employees in adepartment are women. One third of the women drive foreign cars. The rest drive domestic cars. Twenty five percent of the men in the department drive foreign cars. One person is randomly selected from the departmental files. Use this information to construct a probability table and (1) cal

Probability

13.) The probability of a newborn baby being a girl is 0.49. If four babies are born in a hospital on one day, what is the probability that all four are girls?

Probability

12.) The following table shows the weather conditions each day for the last 100 days: Snowy Days Snowy Days Rainy Days Cloudy Days Sunny Days 5 20 40 35 Based on this data: a.) What is the probability that tomorrow will be snowy? b.) What is the probability that tomorrow will be rainy or cloudy? c.) What is the probab

Quantitative Methods: Decision Tables, Probability and Expected Value

Please see the attached file for the fully formatted problems. ESSAY. Write your answer in the space provided or on a separate sheet of paper. 1) There is a fixed cost of $50,000 to start a production process. Once the process has begun, the variable cost per unit is $25. The revenue per unit is projected to be $45. Write

Operation management

1.A sandwich shop near campus has a special counter, open from 11 to 1pm, which is used exclusively for selling pre-made sandwiches. The clerk can handle a customer in about one minute. Customers arrive at the rate of 40 per hour on average. How long in minutes does a customer have to wait? What is the average number of customer

Probability

1. What is the probability of getting at least 1 diamond in a 5-card hand dealt from a standard 52-card deck? 2. In a family with 3 children, excluding multiple births, what is the probability of having 2 boys and 1 girl, in any order? Assume that a boy is as likely as a girl at each birth. 3. A country park system rates its

Probability - A silver dollar is flipped twice, calculate the probability of each of the following occurring: A, a head on the first flip b, a tail on the second flip given that the first toss was head c, two tails d, tail on the first tail on the second e, tail on the first a head oon the second or a head on the first tail on the second f, at least one head n the two flips

A silver dollar is flipped twice, calculate the probability of each of the following occurring: A, a head on the first flip b, a tail on the second flip given that the first toss was head c, two tails d, tail on the first tail on the second e, tail on the first a head oon the second or a head on the first tail on the

Empirical rule

Scores on the GRE (graduate record examination) are normally distributed with a mean of 510 and a standard deviation of 148. Use the 68-95-99.7 rule to find the percentage of people taking the test who score between 66 and 954. The percentage of people taking the test who score between 66 and 954 is ___%

Roulette probability

One option in a roulette game is to bet $18 on red.There are 18 red compartments,18 black compartments,and 2 compartments neither red nor black.If the ball lands on red you get to keep the $18 you paid to play the game and you are awarded $18 if the ball lands elsewhere you are awarded nothing and the $18 you bet will be collect

Patient Isolation Hospitals

See attachment for formatting 1. The ages of all the patients in the isolation ward of the hospital are 38, 26, 13, 41, and 22. What are the population mean, variance, and standard deviation? 2. The weights of a sample of seven FedEx shipments, to the nearest pound, are 10, 7, 11, 1

Probability - Randomly Selected Numbers

A state runs a lottery in which 6 numbers are randomly selected from 40, without replacement. A player chooses 6 numbers before the state's sample is selected. a. What is the probability that the 6 numbers chosen by the player match all 6 numbers in the state's sample? b. What is the probability that 5 of the 6 numbers chosen

Probability and Statisics -

Please show all steps using the formula : p1 +p2 + pn = 1 Find the probability distribution of the value x. mean variance and standard derivation. 1. two dice are rolled . x is the sum of numbers on the top faces. 2. five cards are randomly selected from a standard deck. x is the number of aces in the sample. 3.

Probability problem - A bag contains 8 black balls and 6 white balls. Two balls are drawn out at random, one after the other without replacement. calculate the probabilities that (a) The second ball is black (b) The first ball was white, given that the second ball is black.

A bag contains 8 black balls and 6 white balls. Two balls are drawn out at random, one after the other without replacement. calculate the probabilities that (a) The second ball is black (b) The first ball was white, given that the second ball is black.

Probability National Science Foundation

Please write the probability formula for each one. 1. Twenty five scientists are seeking financial support from the National Science Foundation. Find the number of ways in which the NSF panel can select four of the twenty five submitted proposals ranking them as first second , third , and fourth. 2. A basket contains 6 red

Expected Profit method to determine optimum bid

1. Gamma construction company has been asked to bid on the construction of 20 lighted tennis courts for State university. Each court will cost $20,000 in construction costs, and, in addition, there will be a fixed expense of $10,000 to cover the preparation and submittal of the bid. Gamma is considering five different bid le

Statistics: Odds and Decisions

# 1 When playing the lottery in your (or a nearby) state, how many possible "different" tickets are there? How many ways are there to win (note that there are often several levels of winning)? What are your odds of winning? # 2 Do you agree or disagree that the lottery is a tax on people who are bad at math? Drawing