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A gallop poll that was based on telephone interviews conducted April 9-12, 2012, using a random sample of 1016 adults aged 18 and older, living in all 50 US states and the District of Columbia, indicated that 29% of Americans spent more money in recent months than they had spent in earlier months. But the majority (58%) still said that they enjoy saving money more than spending it.a. is 29% a statistic or a parameter? Explainb. Is 58% a statistic or a parameter? Explain
If the probability of getting caught copying someone else's exam is .1, find the probability of not getting caught in three attempts. Assume independence.
Suppose that the actual mean value in the population is , what is the probability of a Type II error (incorrectly accepting a false null hypothesis)?
A standard deviation of 40.7. All units ate in mg/100mL. Find the two levels that separate the top 9% and the bottom 9%.
Find the minimum amount of water pumped in 30 days. Let y be the total number of gallons pumped x days after pumping being. Note that (0,0) is on graph of the equation.
Find the probability that in a given year a) exactly one major hurricane will strike the U.S. mainland, b) at most one major hurricane will strike the U.S. mainland.
A population whose shape is unknown has a median of 75. You selected a sample of 40. The standard deviation of the median is 5. Calculate the probability that the median of the sample or average medians is:
With more then a million teachers set to retire we are seeing a record number of turnovers in the teaching profession.
Write a system of inequalities representing this situation. Then draw a graph of the feasible region given these conditions, in which x is the number of AM radios and y is the number of AM/FM radios.
What are some examples of each of the trend types (Secular/Linear)? What external factors might affect each of the different types of trending?
Using the .10 level of significance, can we conclude that the assembly time using the new method is faster?
Method of assigning probabilities based on historical data is known the?
Can we conclude a difference in voting patterns for men vs. women? YES or NO (circle one)
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