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Select a company (maybe your employer) and assess how it uses data in marketing its products or services. (If it is not your employer, find a sizable local company or search the Internet for a company and contact the marketing department.) Specifically, address the following considerations:
There are two rejected units. If a customer orders 180 units, what is the probability that the delivery will have at least one reject unit?
A simple random sample is found to be (0.7, 2.1). Can we conclude that 90% of households have between 0.7 and 2.1 children? Justify your answer.
analysis of variance- one way classification.a pharmaceutical company wants to determine whether there is any
The number of phone calls coming into a switchboard in the next five minutes will either be 0, 1, or 2. The probabilities are the same for each of these (1/3).
In a survey of 2480 golfers, 15% said they were left-handed. Construct to the 95% confidence interval for the population proportion p. Construct a 95% confidence interval for the population proportion p of left-handed golfers.
there are two urns a and b. urn a contains 2 red balls and 1 blue ball urn b contains 1 red ball and 1 blue ball. an
1. the quality-control manager at a light bulb factory needs to determine whether the mean life of a large shipment of
question five factories reported the following numbers of minor accidents in a year.factory12345number of
You are estimating the cost ($K) of optical sensors based on the power output of the sensor. Using the preliminary calculations from a data set of 8 sensors, determine the equation of the line. (Round your intermediate calculations to 3 decimal pl..
Assume that samples of size 2 are randomly selected with replacement from this population of four values. The first samples selected is 11,9. What is the mean of the sampling distribution of means?
What is the probability that a randomly chosen package is improperly sealed?
List the five-number summaries of the number of days between the receipt of a complaint and the resolution of the complaint and construct boxplot and describe the shape of the distribution of the data.
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