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Question: There are 40 English students enrolled. The teacher questioned 5 students who always sit in the back of the classroom. Three of the 5 said "yes" when asked if they would like "A Tale of Two Cities" as the next class reading assignment.
a. Identify the population and the sample in this situation.
b. Is this likely to be a representative sample? If not, why not?
Explain and give examples of how the particular outcomes of a study can suggest if a particular threat is likely to have been present.
The country clerk wants to estimate the protection of retired voters who will need special election facilities. suppose a sample of 400 retired voters was taken. If 150 special election facilities, calculate an 80% confidence for the population pr..
Dating In Chances- Risks and Odds in Everyday Life, James Burke claims that about 70 percent of all single men would welcome a woman taking the initiative in asking for a date. A random sample of 20 single men was asked if they would welcome the woma..
A market researcher wants to find the 99% Confidence Interval for the average number of hours people spend online each day.
What descriptive summary measures would you use to present the data. which measure is the best to use and which is the worse and why?
Determine the cost Xs to develop the support system for which the probability of exceeding Xs is equal to 0.01?
A Pew research study recently randomly selected two groups of people, men and women and asked them if they agree with the following statement:
Determine probability that number of boats constructed next month will be between 4 and 7 (both inclusive).
The pooled variance of two samples is:
Assume that 60 percent of the voters in a particular region support a candidate. Find the probability that a sample of 1,000 voters will yield a sample proportion in favor of the candidate within 4 percentage points of the actual proportion.
The 2010 Chevrolet Camaro with an eight-cylinder engine and automatic transmission has a combined gas mileage of 19 mpg. What percent of all vehicles have better gas mileage than the Camaro?
If a statistics professor plans classes so carefully that the lengths of her classes are uniformly distributed between 48.0 and 53.0 minutes what is the probability that a given class period runs greater than 51.25 minutes.
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