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Assume the proportion of people who favor Facebook over twitter in particular urban location is 0.65. If we randomly select a sample of 20 people from that urban location, can we determine that the distribution of the proportion of people who prefer Facebook over twitter for such samples is approximately symmetric and bell shaped? Why or Why not?
1. Let (X, d) and (Y, e) be pseudometric spaces with topologies Td and Te metrized by d and e respectively. Let f be a function from X into Y . Show that the following are equivalent (as stated in the first paragraph of this chapter):
Assuming that there are no outliers and the relationship is linear, explain what the correlation indicates about the strength of the relationship.
the mean resting pulse rate for a large group of varsity athletes was 72 with a standard deviation of 9.46. what
customers at a gas station pay with a credit card a debit card b or cash c. assume that successive customers make
What is the probability that no more than one person will sign up? Draw a Venn diagram that includes the possible events and their relative frequencies for this situation.
from experience we know that candidates from school x have a 60 probability of passing a licensure exam those from
in june an investor purchased 250 shares of oracle an information technology company stock at 20 per share. in august
Now assume that failed items are not replaced during the test. UsingHandbook H--108, determine the plan assuming the time to failure is exponential.
The percentage of physicians who are women is 27.2%. In a survey of physicians employed by a large university health system, 48 of 120 randomly selected physicians were women. Compute the test value.
what is stated by the alternative hypothesis h1 for an anova?a there are no differences between any of the populationsb
the sample space contains 6as and 4bs. what is the probability that a randomly selected set of 3 will include 1a and
Houston is $19,900 and in Los Angelos is $21,800. What is the probability that a brand manager in Houston has a base salary in excess of $100,000?
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