• Q : Paying for marketing study....
    Basic Statistics :

    Now suppose RMG is considering paying for marketing study to aid them make better decision regarding the location of their next retail outlet mall. If marketing study costs $5000, and for simplicity

  • Q : Determine the final decision....
    Basic Statistics :

    Determine the possible strategies for RMG, based on each of following decision criteria. Show your work and determine the final decision in each case.

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

    The number of planes arriving per day at the small private airport is random variable having Poisson distribution with mean 48. Determine the probability that time between two such arrivals is more

  • Q : Determine standard deviation of sampling distribution....
    Basic Statistics :

    Determine the mean of the sample distribution? Determine the standard deviation of the sampling distribution? Round to two decimals.

  • Q : Find the mean-variance....
    Basic Statistics :

    Given following frequency distribution, find the mean, variance, and standard deviation. Please show all of your work.

  • Q : Ungrouped and a grouped frequency distribution....
    Basic Statistics :

    Construct both an ungrouped and a grouped frequency distribution for the data given below:

  • Q : Difference in the means for three assembly methods....
    Basic Statistics :

    The number of units assembled correctly was recorded, and analysis of variance procedure was applied to resulting data set. The following results were obtained: SST = 10,870; SSTR = 4,580. Using a=

  • Q : Vehicle production contract....
    Basic Statistics :

    Determine the maximum amount that might be budgeted for the FY12 vehicle production contract that still complies with applicable DoD funding policies?

  • Q : Experimental group receive an instructional program....
    Basic Statistics :

    Twenty students randomly assigned to experimental group receive instructional program; 30 in control group do not. After six months, both groups are tested on their knowledge. The experimental group

  • Q : Mean and standard error of x distribution....
    Basic Statistics :

    Find out the mean and standard error of the x distribution. Find out p(x>67.50). Why is the formula needed to solve (A) different than (C)?

  • Q : Data in increasing order....
    Basic Statistics :

    Rank the following data in increasing order and find the positions and values of both the 22nd percentile and 65th percentile. Please show all of your work.

  • Q : Independent variables in model....
    Basic Statistics :

    Using significance level of 0.10, can you conclude that at least one of independent variables in model offers useful (ie statistically significant) information for predicting daily production costs?

  • Q : Difference between proportions of drug-resistant cases....
    Basic Statistics :

    Do such data suggest statistically significant difference between proportions of drug-resistant cases in the two states? Use a .02 level of significance. What is the p-value, and what is your conclu

  • Q : Ungrouped and a grouped frequency distribution....
    Basic Statistics :

    Develop both an ungrouped and a grouped frequency distribution for data given below:

  • Q : Variance y in terms of variance x....
    Basic Statistics :

    If we make the transformation y= a+bx calculate yhat in terms of xhat, and variance y in terms of variance x.

  • Q : Average cycle length under these situations....
    Basic Statistics :

    Using the .05 level of significance, what should we conclude regarding the theory that 24 hours is the natural cycle? (That is, does the average cycle length under these situations differ significan

  • Q : Express the multinomial coefficient....
    Basic Statistics :

    For five points, express the multinomial coefficient 10M{2,3,5} as a product of binomial coefficients. Hint: the first one is 10C2.

  • Q : Professional baseball fans....
    Basic Statistics :

    53% of men consider themselves professional baseball fans. you randomly select 10 men and ask each if he considers himself a professional baseball fan.

  • Q : Distribution of lifetime of product is unknown....
    Basic Statistics :

    Assume that the distribution of lifetime of product is unknown, but the populition standard deviation is know to be 9 hours. If 9 products are taken randomly as samples, then sample mean would be 10

  • Q : Appropriate descriptive statistics....
    Basic Statistics :

    Choose and calculate the appropriate descriptive statistics to explain characteristics of sample under study (such as sex distribution, age, and ethnicity) and the anxiety reported by sample at pret

  • Q : Determine the expected net gain if person buys two tickets....
    Basic Statistics :

    In raffle, 1,000 tickets are sold for $3 each. Winners are randomly chosen. The first price is $1000 shopping spree and second price is a SPA voucher worth $300. Determine the expected net gain if p

  • Q : Population of scores with a mean....
    Basic Statistics :

    Suppose we have a population of scores with a mean (µ) of 200 and a standard deviation (s) of 10. Assume that the distribution is normal. Provide answers to the following questions:

  • Q : Probability that half of those are cracked....
    Basic Statistics :

    A bucket contains 20 eggs out of which 4 are cracked. If I was to randomly choose 4 eggs from the bucket, what is the probability that half of those are cracked?

  • Q : Plate glass produces average of four seeds....
    Basic Statistics :

    A procedure for making plate glass produces average of four seeds (small bubbles) per 100 square feet. Employ Poisson distributions and assess probabilities that:

  • Q : Estimate the standard deviation of sample proportion....
    Basic Statistics :

    Suppose that you're testing the hypotheses H0: p = .30 vs. HA: p ≠ .30. A sample of size 500 results in sample proportion of .25. Estimate the standard deviation of sample proportion?

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