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An Islamic survey conducted by the Gallup organization consisted of a random sample of 10,004 people living in 9 predominantly Islamic countries. The sample was collected by interviewers going to people's homes in randomly chosen areas in each of the 9 countries. The population represented by this sample was:
a) all Muslims in the world.
b) all Muslims who live in any Islamic country.
c) all people, Muslim and non-Muslim, living in homes in any of the 9 countries.
d) all people, Muslim and non-Muslim, who live in the same cities and villages as the people in the sample.
The assembly time for a product is uniformly distributed between 6 to 10 minutes. The probability of assembling the product between 7 to 9 minutes is
Which is the probability that the median of the sample is between $17 and $20?
The NY Dept of Motor Vehicles (DMV) designs its license plates with space for 7 letters or numerals. In the most recent iteration, the DMV uses three letters followed by 4 numbers.
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The random variable X, representing the number of accidents in a certain intersection in a week, has the following probability distribution
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Change the frequencies to percentages - is there a group more likely to get high salaries.
Find out the upper and lower bounds on average life expectancy of the Canadian women such that at least 90% of all population is included.
Interpret the correlation between each set of variables.
Create the estimated regression equation by calculating the values of b 0 and b 1
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