Mathematics, 21.11.2020 23:00 Grayvtrain555
2. Patients arrive at a hospital accident and emergency department at random follow a
Poisson distribution at a rate of 6 per hour.
(a) Find the probability that, during any 90-minute period, the number of patients
arriving at the hospital accident and emergency department is
(i) exactly 7
(ii) at least 3
(b) What is the mean and standard deviation of the number of patients arriving at the
hospital accident and emergency department in an hour?
Answers: 3
Mathematics, 21.06.2019 17:40
The graph of y = ax^2 + bx + c is a parabola that opens up and has a vertex at (0, 5). what is the solution set of the related equation 0 = ax%2 + bx + c?
Answers: 2
Mathematics, 21.06.2019 21:00
To finance her community college education, sarah takes out a loan for $2900. after a year sarah decides to pay off the interest, which is 4% of $2900. how much will she pay
Answers: 1
Mathematics, 21.06.2019 21:30
He ! a group of farmers planned to clean 80 acres of wheat per day to finish the work on schedule. right before the work started, they received a new piece of machinery that them clean 10 more acres per day than originally planned. as a result of increased productivity in the last day before the deadline they only had to clean 30 acres. how many acres of wheat did the group of farmers have to clean?
Answers: 1
Mathematics, 21.06.2019 22:00
Given the quadratic function f(x)=3x^2-24x+49 a. use “completing the squares” to convert the quadratic function into vertex form b. state the vertex c. find the x and y intercepts d. graph the function
Answers: 1
2. Patients arrive at a hospital accident and emergency department at random follow a
Poisson distr...
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