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In a survey to assess the adequacy of parking facilities at a shopping precinct a questionnaire was given to local motorists and included the following questions. (a) have you ever driven a car? (b) what is your income group? (c) where do you park? In groups, comment on these questions and formulate other questions which you believe should be in the questionnaire. Would a postal questionnaire within the postal code (zip code) of the supermarket be adequate for the parking survey above? Share your answers.
What is the probability that the survey will show a greater percentage of Republican voters in the second state than in the first state?
the mean gas mileage for a hybrid car is 56 miles per gallon. suppose that the gasoline mileage is approximately
a government testing agency studies aspirin capsules to see if customers are getting cheated with capsules that contain
When redesigning the fighter jet ejection seats to better accommodate women, which probability is more relevant: The result from part (a) or the result from part (b)? Why?
probability that an elite athlete has a maximum oxygen uptake
let the number of phone calls received by a switchboard during a 5-minute interval be a random variable x with
There are 878 students at penn state's college of medicine in Hershey, PA. Of those 878 students, 408 are Pennsylvania residents. Thus, 46.5% of all Penn State college of Medicine students are Pennsylvania residents. This value 46.5% is a poplulat..
If Puck Chuck wanted to reset the machine so that only 17 in 1000 pucks would have velocities of less than 75 mph, what would the mean output of the machine be set to?
Determine the mean and variance and determine the percentage of data values that fall in each of the following intervals:
a researcher conducted a study on the effects of stress on migraines. the researcher computed the number of migraines
a recent national survey found that high school students watched an average mean of 7.5 dvds per month with a
a car company conducted a study to understand the relationship between age groups and drivers primary vehicles. their
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