The number of failures of a testing instrument from contamin…

The number of failures of a testing instrument from contamination particles on the product is a Poisson random variable with a mean of 0.028 failures in a 1-hour period.  This question is copywritten by Arizona State University and Linda Chattin.  It may not be posted to any website, may not be texted to anyone, and may not be screenshot or photographed.  If your answer is non-integer, express it to three decimal places. Determine the probability that there is exactly 1 failure in a 24-hour day to four decimal places.

The net weight in pounds of a packaged chemical herbicide ha…

The net weight in pounds of a packaged chemical herbicide has the following CDF:                         F(x)      = 0                   for x < 49.7 lbs.                                     =  

Students are randomly assigned to one of nine teams in a cla…

Students are randomly assigned to one of nine teams in a class.  They are equally likely to be assigned to any team.   X is the team to which a student is assigned; x = 1, 2, 3, 4, 5, 6, 7, 8, 9.  Determine the population standard deviation of X. This question is copywritten by Arizona State University and Linda Chattin.  It may not be posted to any website, may not be texted to anyone, and may not be screenshot or photographed.  If your answer is non-integer, express it to three decimal places.