• Q : Determine the probability you randomly select....
    Basic Statistics :

    Nineteen of 100 digital video recorders (DVRs) in inventory are known to be defective. Determine the probability you randomly select an item that is not defective?

  • Q : Binomial probability formula....
    Basic Statistics :

    Given that the subjects surveyed were chosen without replacement, the events aren't independent. Can the probability be found by using binomial probability formula? Why or why not?

  • Q : Determine the indicated complement....
    Basic Statistics :

    A certain group of women has a 0.58% rate of red/green color blindness. If a woman is randomly selected, what is the probability that she does not have red/green color blindness?

  • Q : Unit of analysis....
    Basic Statistics :

    A researcher is going to study and compare crime rates among 30 US cities over the country. In this case, what is the UNIT OF ANALYSIS?

  • Q : Use to get the p value....
    Basic Statistics :

    A paint company claims their paint will be completely dry in 45 minutes after application. Currently, customers have complained drying times are longer than the claimed 45 minutes.

  • Q : Organic food market....
    Basic Statistics :

    The mean amount spent by all customers at organic food market is estimated to be $48, and the standard deviation is estimated to be $12. According to Chebyshev's Theorm at least what percentage of c

  • Q : Mean weekly connect time....
    Basic Statistics :

    An Internet service provider is interested in testing to see if there is the difference in mean weekly connect time for users who come into the service through a dial-up line, DSL, or cable Internet

  • Q : Describe the term operations management....
    Basic Statistics :

    In brief describe the term Operations Management. Determine the three major functional areas of business organization and briefly describe how they interrelate.

  • Q : Large multinational corporation....
    Basic Statistics :

    Over the long period of time in large multinational corporation, 15% of all sales trainees are rated as outstanding, 75% are rated as excellent/good, 6% are rated as satisfactory, and 4% are consid

  • Q : Change conditional on the knowledge....
    Basic Statistics :

    Determine the probability that somebody chosen at random has a birthday on the first day of a month? How does this probability change conditional on the knowledge that the person's birthday is in Marc

  • Q : Probability a randomly drawn sample....
    Basic Statistics :

    Using normal approximation, what's the probability a randomly drawn sample of parents of size 600 will have a sample proportion between 67% and 73%? Draw a sketch of the probability curve

  • Q : Percentage of hotels with rates....
    Basic Statistics :

    Assume the nightly rate for three-star hotel in Paris is thought to be bell-shaped and symmetrical with mean of 160 euros and standard deviation of 8 euros. The percentage of hotels with rates betw

  • Q : Sample standard deviation....
    Basic Statistics :

    A random sample of 2008 employed cars for sale on market has an average mileage of 71,420 miles with sample standard deviation of 9,470 miles. The z-score for a used car with 80,500 miles in this sa

  • Q : Eight possible decision function....
    Basic Statistics :

    Develop a table showing four possible value of the loss function. Mention the eight possible decision function. Discuss that three of the decision function aren't admissible

  • Q : Population of american mobile subscribers....
    Basic Statistics :

    Consumers turned to their mobile devices in growing numbers and increasing frequency during a given year. Text messaging led as the top mobile activity, with the 62% of American mobile subscribers t

  • Q : Describes steps necessary to use solver....
    Basic Statistics :

    Clearly show the model setup for this in excel. Describes steps necessary to use solver to determine how to minimize the cost of reducing pollution by the desired amounts.

  • Q : Determine the probability that either exactly....
    Basic Statistics :

    (a) Determine the probability that either exactly 4 ppl get out on floor 35 or exactly 4 ppl get out on floor 36 (inclusive OR)? (b) Determine the probability that the elevator stops on floors 11, 15,

  • Q : Should have one or more defects....
    Basic Statistics :

    For the first 100 cars made 40 are defective. Based upon the first 100 cars produced, about how many out of every 1000 assembled should have one or more defects?

  • Q : Variables that follow binomial probability distribution....
    Basic Statistics :

    Explain the 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?

  • Q : Denote ace of clubs and kd....
    Basic Statistics :

    A standard deck of cards is well shuffled. Let AC denote ace of clubs and KD denote the king of diamonds.

  • Q : Well-shuffled standard deck of cards....
    Basic Statistics :

    Assume you receive 13 cards from a well-shuffled standard deck of cards. What is the probability that your hand will contain 2 or more Aces?

  • Q : Determine the p-value of a two-tailed test....
    Basic Statistics :

    In the study it was found that the average age of cable TV shoppers was 56 years. Assume you want to test the null hypotheses Ho: Mu =56 using sample of n=80 cable TV shoppers. Determine the p-value

  • Q : Determine the probability that the resistance....
    Basic Statistics :

    Determine the probability that the resistance of such a cable chosen at random will be at least equal to 80 kN? Determine the probability that the load will be at most equal to 75 kN?

  • Q : Determine the probability that the load....
    Basic Statistics :

    Determine the probability that the load will be at most equal to 75 kN? Determine the probability of failure of a randomly selected cable (where failure is defined as the applied load outweighing the

  • Q : Prescribed area of a slide....
    Basic Statistics :

    The number of bacteria in prescribed area of a slide containing a sample of well water has a poisson distribution with parameter 5. What is the probability that the slide shows 8 or more bacteria?

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