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A marketing company conducted a study where women and men were asked to express a preference for one of two commercials-A or B-for the new iPhone XS. For the women, 44 out of 100 preferred commercial A. For the men, 79 out of 140 preferred commercial B.
(a) For these data, do you want to consider one of these categorical variables as an independent variable and the other as a response variable? Give a reason for your answer.
(b) Display these data using an r x c table. What are the values of r and c? Which variable is the column variable and which is the row variable? Give a reason for your choice.
(c) How many cells does the table have?
(d) Explain the difference between joint distribution, marginal distribution, and conditional distribution.
What is probability that all parts in the sample are defective, what is probability that the sample will containe 3 defective parts of more.
Also, assume that X = number among 20 randomly selected coffee purchasers who select a national brand, and that the random variable X follows the binomial distribution.a. What is the probably that at most 15 customers choose a national brand?
1. a random sample is collected of size n from a population with standard deviation and with the data collected a 95
Smaller clearance (i.e., x1 - x2) than 0.09 should be 0.006, what distance between the nominal dimensions of the two parts (i.e., u1 and u2) should be specified by the designer?
eighteen percent 0.18 of the students in a management class are graduate students. a random sample of 6 students is
Bid/Ask Spread Utah Bank's bid price for Canadian dollars is $.7938 and its ask price is $.8100. What is the bid/ask percentage spread?
A survey conducted by the American Automobile Association showed that the family of four spends an average of $215.60 per day while on vacation. Suppose a sample of 64 families of four vacationing at Niagara Falls results in a sample mean of $252...
Instructions and Background This assignment requires students to identify, discuss and evaluate potential data collection, analysis and reporting strategies for dealing with small sample data. Research Scenario The intended research design was a R..
What is the present value of an annuity in which $200 is paid each year for 10 years, assuming a discount rate of 6% and the first payment is received one year
A survey of 51 randomly selected students finds that on average students study 138 minutes per night with a standard deviation of 32 minutes. What conclusion can be made from this data?
Customer requirements mean that the amount of product 3 produced should be related to the amount of product 2 produced - twice as many units of product 2 should be produced as product 3 over a week.
What is the company's free cash flow for year 1 of this project?
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