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A local clinic is trying to implement a diabetes prevention program tailored to their patient population. Two major factors to preventing and controlling diabetes are exercise and weight. The clinic surveyed the patients to determine whether they would be more likely to attend group exercise sessions or cooking classes at the clinic. 45% said they would attend cooking classes, 20% say they would be interested in attending both, and 8% said they would not be interested in either opportunity.
Is attending group exercise sessions independent of attending group cooking classes?
Could someone please explain this for me?
a. Yes: P(E and C) ≠ P(E) * P(C)
b. Yes: P(E and C) ≠ 0
c. No: P(E and C) ≠ P(E) * P(C)
d. No: P(E and C) = P(E) * P(C)
e. No: P(E and C) ≠ 0
The number of successes in n trials is to be used to test the null hypothesis that the parameter θ of a binomial population equals 1/2 against the alternative that it does not equal 1/2.
Westberg Electric Company sells electric motors to customers in the Jamestown, New York, area. The monthly trend equation, based on five years of monthly data.
A random sample of 64 observations produces the following summary statistics: mean= .323 and s2= 0.034
Why is statistical significance not necessarily of practical important difference to a business decision? Provide an example and explain.
A large internet retailer is studying the lead time (elapsed time between the time when the order is placed and the time it is filed). The table below gives the lead times (in days) for a random sample of recent orders.
what are examples of variables that follow a binomial probability distribution? what are examples of variables that
Find the probability that the j-tuple selected contains at least one 1 - Find the size of the sample space.
A security system has been set up so that if three incorrect passwords are tried before the correct one, the computer file is locked and access to it denied. If n = 7, what is the probability that the secretary will gain access to the file?
conduct a test of hypothesis to determine whether the mean payroll of the teams was different from 80 million. .05 is
Suppose that a statistics teacher asks his students to each randomly pick one of the numbers 0, 1, 2, 3, 4. His general theory is that the proportion.
Tree diagram for a probability experiment - Identify the sample space of the probability experiment and determine the number of outcomes in the event. Show a tree diagram if it is appropriate.
A researcher is trying to discover the average age at death for people in the United States today. To obtain data, the obituary columns of The New York Timesare read for 30 days, and the ages at death of people in the United States are noted.
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