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    Probability

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    Probabilities

    1. This problem is in reference to students who may or may not take advantage of the opportunities provided in QMB such as homework. Some of the students pass the course, and some of them do not pass. Research indicates that 40% of the students do the assigned homework. Of the students who do homework, there is an 80% chance the

    Description of Card Probability

    Please help answer the following questions. Eight cards are chosen at random from an ordinary deck of 52 cards. What is the probability that exactly one suit is represented among these 8 cards? Exactly 2 suits?

    Probability when throwing five six-sided dice

    Please help with the following problem. Compute the probabilities for each of the following when you throw five six-handed dice. 1) What is the probability that all five have different numbers? 2) What is the probability that at least four are the same? 3) What is the probability that exactly three are sixes?

    Probability and computing the odds

    Compute the odds of each of the following events and rank them in order of decreasing likelihood. 1) picking the right lottery numbers(5 different numbers between 1 and 59) plus the right "power ball" (a number between 1 and 39). **The 5 numbers between 1 and 59 do NOT need to be chosen in the correct order. What impact does

    4-5

    The chart below gives the number or vehicle tags sold in each city. CITY NUMBER OF VEHICLE TAGS SOLD bristol 1,863 trevor 3,507 camp lake 2,457 salem

    Find the probability.

    A card is drawn at random from a standard 52-card deck. Find the probability that the card is not a queen.

    Probability

    Please list as many different groups of complete events as possible for an experiment of your choice (Probability). Need real world example on complete events Definition of complete groups of events:A complete group of events is a group of incompatible events, such that at least one of them must occur as a result of an experi

    Goodness-of-Fit and Contingency Tables

    (1) Records of randomly selected births were obtained and categorized according to the day of the week that they occurred. Because babies are unfamiliar with our schedule of weekdays, a reasonable claim is that births occur on the different days with equal frequency. Use a 0.01 significance level to test that claim. Provide an e

    Determining the Optimal Strategy Using a Decision Tree

    The dean of the School of Business at Northern Connecticut State University has been approached by a government agency in Hunan Province, China, to provide MBA training to a group of 30 midlevel officials. The dean is considering submitting a bid of $225,000, $250,000, or $300,000 for providing this program. If the bid is $225,0

    Discrete Probability Variables

    What are examples of variables that follow a binomial probability distribution? What are examples of variables that follow a Poisson distribution? When might you use a geometric probability?

    Normal probability calculations using the Z-score

    A retailer's sale in widgets is normally distributed over the time of one year. The mean of the sales is 141.1 with a standard deviation of 13.62. What is the probability that he will not be able to sell 160 or more widgets in the next year?

    Valid Probability Distribution: Mass Function

    The high school GPA of applicants for admission to a college program are recorded and relative frequencies are calculated for the categories. GPA f(x) x < 2.0 .10 2.0 x < 2.5 .12 2.5 x < 3.0 .35 3.0 x < 3.5 .30 3.5 x a. Complete the table to make this a valid probability distribution. b. What is the probability an a

    Calculating the probability of an outcome

    Two boxes of light bulbs are in a warehouse. Box 1 contains 95 good bulbs and 5 defective bulbs, while Box 2 contains 90 good and 10 defective bulbs. We choose one of these boxes at random and test 3 bulbs chosen at random from this box, without replacement. If all 3 bulbs are defective, what is the probability that we selected

    Set up an appropriate probability space

    Which is larger, (a) the probability of having a full house given that the first 2 cards you've dealt have the same denomination, or (b) the probability of having a full house given that there exist 2 cards of the same denomination in your hand? Set up an appropriate probability space for each experiment first, assuming an ordin

    Critical Path and PERT

    1) A PERT project has 45 activities, 19 of which are on the critical path. The estimated time for the critical path is 120 days. The sum of all activity variances is 64, while the sum of variances along the critical path is 36. The probability that the project can be completed between days 108 and 120 is a) 0 -2.00 b)

    Probability Space: Amoeba in a Pond

    A single amoeba is in a pond. Each day, each amoeba present in the pond will die with probability p, will split into two live amoebas with probability q, and will stay alive but not split with probability 1 - p - q. (a) Describe a probability space for this experiment as well as you can. (b) Find the probability that after two

    The Probability Space

    In a game show, a contestant is given a choice of 3 curtains. Behind one curtain is a prize, but the other two curtains conceal a sign saying "Sorry, you lose!". After the contestant chooses a curtain, the host, who knows where the prize is, will always open one of the curtains (not the one chosen by the contestant) to reveal a

    Bayes Theorem: Speeding Problem

    The probability that a teenage driver will speed is 0.8; for a twenty-something driver, the probability of speeding is 0.5; for a mature driver, 0.2. Suppose that 15% of drivers are teenagers, 20% are in their twenties, and the rest are mature. If a driver observed at random is found to be speeding, then what is the probability

    Probability - poker fullhouse

    A game of poker is played with an ordinary deck of 52 cards, and each player is dealt a hand of 5 cards chosen at random. What is the probability that a player will be dealt a full house, given that the first two cards they get are of the same denomination?

    Probabilities of Selecting Multiples of Fixed Numbers

    3. Let N = 1000 and let S = {1, 2, ... , N}. Let D_i = {m belongs to S: i|m} for integers i between 1 and N. a) Are the events D_2 and D_4 independent? Do the appropriate calculation to answer this question. Then explain why your answer makes sense. b) Are the events D_4 and D_5 independent? c) Are the events D_5 and

    Probability

    Average sale of product is 87,000 on a normal curve with a standard deviation of 4,000. What is the probability that sales will be less than 81,000

    probability

    The theoretical probability of undesirable side effects resulting from taking Grebex is 1 in 11. If 121 people take Grebex to lower their blood pressure, how many will encounter undesirable side effects?

    Poisson Distribution

    During cross country pipeline construction, day production rates of more than 120 girth welds are not unusual. On pipe laying barges operating around the clock, production can be as high as 360 welds per day. This implies an average cycle time of some four minutes or less per weld. In the construction of a pipeline, nondestructi

    Cumulative Detection Probability

    Suppose a sensor has a single-glimpse probability of .1. a. What is its cumulative detection probability (cdp) for 10 independent glimpses? b. How many independent glimpses are need to attain cdp=.99?

    Conditional Probability of Drawing Different Kinds of Cards

    A card is selected from a standard deck of 52 playing cards. A standard deck of cards has 12 face cards and four Aces (Aces are not face cards). Find the probability of selecting: - a prime number under 10 given the card is red. (1 is not prime.) - a King, given that the card is not a heart. - a nine given the card is a f

    PROBABILITY

    The theoretical probability of undesirable side effects resulting from taking Grebex is 2 in 13. If 260 people take Grebex to lower their blood pressure, how many will encounter undesirable side effects?

    Probability that a Player's Pick Wins the Grand Prize

    In a certain lottery, k balls are chosen at random and without replacement from a bin containing N balls numbered 1 through N. A player picks k + 2 numbers between 1 and N. The player wins the grand prize if their pick contains all k of the lottery numbers. (a) Set up a probability space to model this experiment. (b) Find the

    Probability Experiment Result Spells

    (a) The 7 letters from the city name, NEW YORK, are put into a bin and drawn out at random without replacement. The letters are arranged from left to right in the order they are drawn. Find the probability that the result spells NEW YORK. (b) The same experiment as in part (a) above is done with the 7 letters from CHICAGO. Fi

    Probability of a full house

    Please help with the following problems. 4. In one variety of poker, players are dealt five cards from an ordinary deck of 52 cards. (a) A full house in poker is a hand of five cards of one denomination and 3 cards of another denomination. Find the probability of a player being dealt a full house. (b) Two pairs is a poke

    Waiting Lines and Queuing Theory Models

    Customers enter the waiting line at a cafeteria on a first come, first served basis in two serving lines. The arrival rate follows a Poisson distribution, while service times follow an exponential distribution. If the average number of arrivals is two per minute and the average service rate of three customers per minute,