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The MATH SAT Scores for all students who applied to the School of Engineering are normally distributed with μ = 629 and σ = 60. The School of Engineering has decided to accept those students whose scores fall within the top 15%. What is the minimum score an applicant must have in order to be accepted into the Engineering School?
A University of Omaha is concerned that out of state students may be receiving lower grades than in state students. Two independent random samples have been selected: 165 observations from population 1 (Out of state students) and 177 from population ..
When a sample mean is greater than the true, population mean, the resulting difference is called:
Office Visits what is the age distribution of patients who make office visits to a doctor or nurse?
A recent study stated that if a person chewed gum, the average number of sticks of gum he or she chewed daily was 8. To test the claim, a researcher selected a random sample of 36 gum chewers and found the mean number of sticks of gum chewed per d..
a population has a mean of 50 and a standard deviation of 13. if a random sample of 36 is taken what is the probability
What would that evaluation be and what is the margin of error?
The following table shows the number of miles driven in each trial.
If n=15 and p=0.4, then the standard deviation of the binomial distribution is 3.6
Given that 30% of US adults are smokers, find the average of the random variable X= # of smokers in a random sample of 50 residents of the USA, also find the variance and standard deviation of X.
A tire company test a particular model of tire and found the tires to be normally distributed with respect to wear. The mean was 28,000 miles and the standard deviation was 2500 miles. If 2000 tires are tested, about how many are likely to wear ou..
Do you favor recycling in your neighborhood
For following data, find out whether or not right-hemisphere damage results in significantly decreased performance on spatial skills task.
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