Multiple choice test
A multiple choice test consists of 5 questions each with 4 possible answers. What is the probability that a student will
A) Guess them all wrong
B) Guess at least 4 correct
C) Guess less than 3 correct
Expected delivery within 24 Hours
A national manufacturer of unattached garages discovered that the distribution of the lengths of time it takes two construction workers to erect the Red Barn model is normally distributed with a mean of 36 hours and a standard deviation of 5 hours
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Determine the sample size that would be required to estimate the true proportion of defective chips if we wanted our estimate, p^, to be within 1.25% of the true proportion, with 99% confidence.
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