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What purchases will be made? A poll of 811 adults aged 18 or older asked about purchases that they intended to make for the upcoming holiday season.5 One of the questions asked what kind of gift they intended to buy for the person on whom they intended to spend the most. Clothing was the ?rst choice of 487 people.
(a) What proportion of adults said that clothing was their ?rst choice?
(b) What are the odds that an adult will say that clothing is his or her ?rst choice?
(c) What proportion of adults said that something other than clothing was their ?rst choice?
(d) What are the odds that an adult will say that something other than clothing is his or her ?rst choice?
(e) How are your answers to parts (a) and (d) related?
can you please help me with this question? thank you so much.a large publishing house recently conducted a survey to
according to the empirical rule if the data form a bell-shaped normal distribution what percent of the observations
Looking for 1-2 paragraphs per question with explanations and an example to help illustrate them. I get the basic idea of each question, but I would like something more illustrative to nail down the topics
What is the 99% confidence interval for the true proportion of all e-mail subscribers that opened the e-mail within 24 hours of receiving it?
suppose that 88 of college men and 82 of college women were employed last summer. a sample survey interviews
an engine additive is being tested to see whether it can effectively increase gas mileage for a number of vehicles.
Use this as the population mean and the population standard deviation is $.20. What is the probability that the mean price for a sample of 30 service station will be within $.03.
Using the .10 level of significance, can we conclude that the assembly time using the new method is faster?
Find a 90% confidence interval for the population average μ of the percentage of hospitals providing at least some charity care. (Round your answers to one decimal place.)
Lawsuit Defense Strategy John Campbell, an employee of Manhattan Construction Company, claims to have injured his back as a result of a fall while repairing the roof at one of the Eastview apartment buildings. In a lawsuit asking for damages of $1,50..
How would the results of this survey be used in the workplace? Briefly describe correlational research. Name a variable from this study and one from the workplace that might prove to provide a correlational relationship.
a new phone answering system installed by the ohio power company is capable of handling 5 calls every ten minutes.
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