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Discussion Question 1: Suppose you hear an "old-timer" say, "Why, in my day, kids were much more respectful and didn't cause as much trouble as they do nowadays!" Formulate a hypothesis related to this statement that you could test. How would you test it?
Discussion Question 2: Researchers routinely choose an α-level of 0.05 for testing their hypotheses. What are some experiments for which you might want a lower α -level (e.g. 0.01)? What are some situations in which you might accept a higher level (e.g. 0.1)?
suppose a population consists of n pairs of people meaning there 2n people in the population. suppose k of the people
let the random variable x follow a normal distribution with micro 40 and ? 10. the probability is 0.95 that x is in
A window is in the shape of a square of side s, witha semicircle of diameter s above it. Please help me unable to figure out how to write a function that express the total area of the window as a function of s
the recent default rate on all student loans is 6.8 percent. in a recent random sample of 293 loans at private
Can you conclude that information in article is untrue? Use 0.05 significance level. Find out p-value and explain its meaning.
Tow coins are tossed. The sample space is. Determine the sample space if the coin is tossed 3 times. A red die and a green die are rolled. How many items are there in the sample space
Find the area under the standard normal curve to the right of z = 1.55. Round to four decimal places. Find the area under the standard normal curve to the left of z = 2.33.
Develop a frequency table and a relative frequency table to summarize this information.
A Company produces candy on a production line. When operating properly, the production process will produce an average of u=140 pounds of candy per hour with a standard deviation of o=20 pounds of candy per hour.
Before computing the correlation, state the null hypothesis and alternative hypothesis in words (not formulas)., Based on the hypotheses you stated, explain whether the researcher should conduct a one-tailed or two-tailed test.
For any topological space (X, T ) and set A ⊂ X , the boundary of A is defined by ∂ A := A\int A. Show that the boundary of A is closed and is the same as the boundary of X \ A. Show that for any two sets A and B in X,∂( A ∪ B) ⊂ ∂ A ∪ ∂ B. Give a..
a. What is the probability that Christine fails the course? (Round your answer to 4 decimal places.)
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