Explore BrainMass

Explore BrainMass

    Probability

    BrainMass Solutions Available for Instant Download

    Unusual Observation Statistics

    The population mean and standard deviation are given below. Find the required probability and determine whether the given sample mean be considered unusual. For a sample of n=65, find the probability of a sample mean being greater than 228 if μ =227 and σ = 3.9 . For a sample of n=65, find the probability of a sampl

    Probability problems

    Please show ALL WORK. 1. If an ace has a face value of one, a 2 has a value of two, a Jack has a value of 11, and so on for all of the cards, what is the probability of drawing a card that has a face value of less than six? 2. A friend tells you that a tree diagram can be used to generate the sample space for any experime

    Statistics

    The graph below shows the results of a survey of drivers who were asked to name the most annoying habit of other drivers. You randomly select six people who participate in the survey and ask each one of them to name the most annoying habit of other drivers. Let x represent the number who named talking on the cell phone as the mo

    Statistics

    A frequency distribution is shown below. Complete parts (a) through (e). The number of dogs per household in a small town Dogs 0 1 2 3 4 5 Households 1157 417 168 45 26 16 a) Use the frequency distribution to construct a probability distribution. X

    Statistics

    Students in a class take a quiz with eight questions. The number x of questions answered correctly can be approximated by the following probability distribution. Complete parts (a) through (e). X 0 1 2 3 4 5 6 7 8 P(x) 0.02 0.04 0.05 0.05 0.11 0.24

    What is the probability it was from manufacturer 2

    2) The Positively Charged company uses capacitors from two different manufacturers. Historically, 60% of the capacitors come from manufacturer 1. While 90% of capacitors from manufacturer one pass quality-control checks, only 75% of the capacitors from manufacturer two pass the checks. A capacitor selected at random is found

    Quantitative Research methods

    Need assistance with working a problem dealing with quantatative research. Please provide me with the step by step process to resolve this problem. The economy is coming back. John's boss is considering launching a new product. The plant engineers have stated that if demand is high, the company will make $70 million dollars

    Probability with a table (Please assist with the attached problem).

    You are taking two courses during winter session, math and history, and your subjective assessment of your performance is Event Probability fail both courses .05 fail math (irrespective of whether or not you fail history as well) .15 fail history (irrespective of whether or not you fail math as well) .08 Let's develop

    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

    Probability

    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

    Mathematics

    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

    Probability

    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

    Probability

    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

    Probability

    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.