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Pricing games
An author of children's online educational games wants to use statistics to decide on the price that each game should sell for. After surveying similar games sold by competitors, the author finds that the price of this type of games is normally distributed with a mean price of $18.00 and a standard deviation of $4.25.
What percentage of architects have Z scores (a) above .10, (b) below .10, (c) above .20, (d) below .20, (e) above 1.10, (f) below 1.10, (g) above -.10, and (h) below -.10?
A student is measuring assertiveness with an interval scale. Is it correct to say that a score of 30 on the scale represents half as much assertiveness as a score of 60? Explain.
Which cities tend to receive higher rankings-those north or south of the equator?- Are the livability rankings related to a city's economic status (assessed by rank)?
If 200 people in the city are contacted at random, what is the probability, approximately, that fewer than four of them are watching the program?
mr. brown owns two furniture stores. in store 1 the number of sofas sold per week by a salesperson is on average 13 per
the total evaporation amount of a growing season in minneapolis is approximately normally distributed with a standard
The National Center for Health Statistics reported the data below, showing the percentage of all births that are to unmarried women for selected years between 1980 and 1998.- Create a model that describes this trend. Justify decisions you make abou..
Analyze the role of community/public health nursing and community partnerships as they apply to the participating family's community.
If you want to compute a .80, .92, or .98 confidence interval for µ when σ is known, and sampling is from a normal distribution, what values for c should you use in given Equation?
A drug company is testing a drug intended to increase heart rate. A sample of 100 yielded a mean increase of 1.4 beats per minute, with a standard deviation
Suppose the people living in a city have a mean score of 48 and a standard deviation score of 7 on a measure of concerns about the environment.
Suppose that the incubation times are approximately normally distributed with a standard deviation of 1 day
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