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Determine the warranty period

The project managers of a television manufacturing company plan to determine a warranty period for their 46" flat screen TV's so that only less than 4% of the time a failure would happen during the warranty period. The quality control department has notified the managers that the life of such a brand is normally distributed w

Graphical Probability & Graphical Cumulative Probability

4) A fair coin is tossed 10 times. Let X be the number of tails observed. (a) (4 points) Use Excel to construct a tabular and a graphical probability distribution for X. (b) (4 points) Use Excel to construct a tabular and a graphical cumulative probability distribution for X.

Quantitative Methods: Probability

Employees of a local company are classified according to gender and job type. The following table summarizes the number of people in each job category. Male (M) Female (F) Job Administrative (AD) 110 10 Salaried staff (SS) 30 50 Hourly staff (HS) 60 40 (a) (3 points) If an employee is selected at random, what is the proba

Binomial Probability questions

Suppose that 26.3% of a certain city lives to the age of 80, what is the probability that in a random sample of 1000 residents of that city: a) between 200 and 250 will live to be 80 years old? b) more than 300 of them will live to be 80 years old? c) less than 275 of them will like to be 80 years old?

Probability: Midwestern Company Example Problem

A Midwestern company that produces a particular machine component has 3 factories, one each in Chicago, Cleveland, and St. Louis. 50% of the components produced come from the Chicago factory, 20% of the components come from the Cleveland factory, and 30% of the components come from the St. Louis factory. It is known that 1.1% of

Probability questions with cards and unbiased dice

Suppose that you select two cards without replacement from an ordinary deck of playing cards. If the first card that you select is a spade, what is the probability that the second card that you select is a queen? Suppose that you roll a pair of standard 6-sided dice 13 times. What is the probability that you will get a sum


Suppose that a tribal culture was discovered in the South Pacific whose language consists of only eight letters, A, D, E, I, O, R, S, and T. Assuming that all possible arrangements of these letters could be words: a) What is the maximum possible number of 6-letter words that this tribe can have? b) What is the maximum poss

Probability of Federal Income Tax Returns: Example Problem

I am needing with with the problem listed below. The probability that federal income tax returns will have 0,1, or 2 errors is 0.53,0.15, and 0.32. if 10 randomly selected returns are audited, what is the probability that six will have no errors, three will have one error and one will have two errors?

Bond Valuation, Stock Valuation, Preferred Stock Required Return, Preferred Stock Valuation, Bond Valuation/ YTM/ Interest Rate Risk, Bond Returns, Stock/ Business Valuation, CAPM Capital Structure Decisions & Credit Ratings Dividend Adjustment Model Dividend Policy Bond Funding: Public/Private Placement Net Advantage to Leasing

A1. A $ 1,000 face value bond has a remaining maturity of 10 years and a required return of 9%. The bond's coupon rate is 7.4%. What is the fair value of this bond? A 10. (Dividend Discount model) Assume RHM is expected to pay a total cash dividend of $5.60 next year and its dividends are expected to grow at a rate of 6% per

Handshake probability solving

1. Rosie Raccoon went up a tree, which was ten feet and three. Every day she climbed eleven, every night she came down seven. Tell me, if she did not drop, when her paws would reach the top? 2. There are 8 people at a party. If each person shakes hands with the other guests, how many handshakes will there be?

Probability Questions for Chemical Effectiveness

QUESTIONS ON PROBABILITY From the book entitled Finite Mathematics (8th Edition) by Margaret L. Lial. Raymond N. Greenwell, and Nathan P. Ritchie NOTE: Step-by-Step walk through of problems is a must! 1. Distribution. An oil refinery in Tulsa sells 50% of its production to a Chicago distributor, 20% to a Dallas di


Problems need solving by showing all work in word format or excel format (if excel one page per problem) 1. Evergreen Fertilizer Company produces fertilizer. The Company's fixed monthly cost is $25,000 and its variable cost per pound of fertilizer is $0.15. Evergreen sells the fertilizer for $0.40 per pound. Determine the


Suppose 2 cards are drawn without replacement from an ordinary deck of 52. Find the probabilities of the following results. Both cards are spades. One is a face card and the other is not At most one is a queen


Control A certain machine that is used to manufacture screws produces a defect rate of .01. A random sample of 20 screws is selected. Find the probabilities that the sample contains the following. Exactly 4 defective screws No more than 4 defective screws


Sampling Fruit A merchant buys boxes of fruit from a grower and sells them. Each box of fruit is either Good or Bad. A Good box contains 80% excellent fruit and will earn $200 profit on the retail market. A Bad box contains 30% excellent fruit and will produce a loss of $1000. The a priori probability of receiving a Good box of

Probability of Soda

A cooler at a picnic contains 100 cans of soda covered by ice. There are 30 cans of cola, 40 cans of orange soda, 10 cans of ginger ale, and 20 cans of root beer. If one can is selected at random, determine the probability that the soda selected is cola OR orange soda.

Statistics - Probability of planting bulbs

Last fall, a gardener planted 56 iris bulbs. She found that only 49 of the bulbs bloomed in the spring. Find the empirical probability that an iris bulb of this type will bloom. Give answer as a fraction in lowest terms. How many of the bulbs should she plant next fall if she would like at least 52 to bloom?

Find the probability of selecting an eight

A card is selected from a standard deck of 52 playing cards. Find the probability of selecting an eight given the card is a not a face card. (An ace is not a face card.) a club given the card is red. a King, given that the card is red.

Probability of selecting a resident live in Alaska

According to the U. S. Census Bureau, the total 2008 U.S. population was 303,824,640. The chart below summarizes the 2008 population for five U.S. States. U. S. State 2008 Population Alaska 686,293 California 36,756,666 Hawaii 1,288,198 Idaho 1,523,816 Indiana 6,376,792 SOURCE: U. S. Censu

Probability to Determine Frequency and Dependency

Two students, Jen and John, are registered for the same class and attend independently to each other, Jen 82.5% of the time and John 95% of the time. What is the probability that on any given day a) Both will be in class? b) At least one of them will not be in class? 12) In a study to determine frequency and dependency o


A bicycle plant runs two assembly lines, A and B. 96.3% of line A's products pass instruction, while only 92.1% of line B's products pass inspection, and 70% of the factory's bikes come off assembly line A. a) What is the probability that a randomly selected bike passed inspection? b) What is the probability that a randomly


A box contains 4 green, 10 red, 6 yellow, and 5 blue marbles. Four marbles are drawn from the box without replacement. a) What is the probability that you get one marble of each color?? b) What is the probability that none of the marbles is red? c) What is the probability that all four marbles are the same color

Number of delegations

A legislative committee consists of 8 Democrats, 6 Republicans, and 1 Independent. A delegation of 3 is selected to visit a small Pacific island republic: a) How many different delegations are possible? b) How many different delegations consist of at least 1 Republican?


1) A bagel shop offers 14 varieties of bagels, 11 flavors of cream cheese, and 15 flavors of coffee. How many different orders for a bagel, cream cheese, and a coffee can a customer place? 2) 2800 people were surveyed about their recent purchases. 715 of those people surveyed bought a television within the last year, 461 bou


. A professional chef's work responsibilities include creating new dishes, shopping for ingredients and cooking the meals. On Friday, Justin, a professional chef, spent 2 hours shopping for ingredients, 3 hours creating new dishes and 5 hours cooking the meals. If Justin's work hours on Saturday are spent approximately the same

Probabilities of Drawing Certain Marbles from a Bag

A bag contains 9 pink marbles, 6 green marbles and 14 brown marbles. What is the chance of drawing a pink marble? If a pink marble is drawn then placed back into the bag, and a second marble is drawn, what is the probability of drawing a green marble? Give solutions exactly in reduced fraction form, separated by a comma.


Suppose a family plans 6 children, and the probability that a particular child is a girl is ½. Find the probabilities that the 6-child family has the following children. All girls No more than 2 boys

Probability: 3 colors of balls in a bag

A basket contains 4 black, 2 blue, and 5 green balls. A sample of 3 balls is drawn. Find the probabilities that the sample, drawn without replacement, contains the following All blue balls Exactly 2 black balls 2 green balls and 1 blue ball