How will I know when someone takes a look at the attached. I actually sent it the day before yesterday. Is there someone I have to contact.

A college office has one photocopier. Faculty and staff arrive according to a Poisson process at a rate of 5 per hour. Copying times average 8 minutes according to an exponential distribution. What are the operating characteristics for this system?

90 percent of the voters favor a new ballpark. Find the probability that among 5 voters questioned, exactly 4 of them favor the new ballpark.

assume that a researher has determined that the moore hours a student works at a job, the lower his grades will be . this is an example of a

state and explain 3 advantages and3 disadvantages of the mean as a measure of central tendency

If you wanted to accept the top 25 percent of applicants seeking admission to your college, what would be the minimum SAT score if test scores were normally distributed with a mean of 1000 and a standard deviation of 200?

A switchboard receives an average 60 calls during one hour. What is the probability that during 30 seconds in which the operator is away there will be no calls?

7. The level of nitrogen oxides (NOX) in the exhaust of cars of a particular model varies Normally with mean 0.2 g/ml and standard deviation of 0.05 g/ml. A company has 25 cars of this model in its fleet. What is the level L such that the probability that the average NOX level for the fleet...

a company manufactures batteries in batches of 26 and there is a 3% rate of defects. find the standard deviation for the number of defects per batch

PE Math 49 85 51 39 82 74 56 66 83 79 94 89 36 36 24 55 61 92 65 92 94 59 75 35 49 91 23 49 71 90 73 98 92 87 33 87 18 100 31 65 How much % of the math grade can be explained by the PE grade. Can you help me to solve this question