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Explain the association of the following diagram (hints: the association has directions; from sales order to customers, and from customers to sales orders)?
What is segregation of duties and why internal controls need segregation of duties?
Explain the association of the following diagram (hints: the association has directions; from sales order to customers, and from customers to sales orders)?
What is segregation of duties and why internal controls need segregation of duties?
1. You were asked to create a program for variety stores. The program should:
1. Input the customer name.
2. Input the products name and it's price. Specifically three products.
3. Get the total price of the 3 products.
4. Input the cash from customer.
5. Out the summary of the sales.
When do we add the two corresponding areas of the z-score?
In an experiment of tossing a fair coin three times, find the P(X=2), P(X > 1) and P(1 ≤ X < 2). Let X be the random variable giving the number of tails.
The number of customers arriving per day at a certain automobile service facility is assumed to follow a Poisson Distribution with mean λ=20. Use normal approximation to find the probability that in a given day.
a) less than 25 customers will arrive;
b) at least 10 customers will arrive;
c) between 15 and 19 inclusive will arrive;
Suppose that X is a binomial random variable with n = 100 and p = 0.1
a) compute the exact probability that X is less than 4.
b) approximate the probability that X is less than 4 and compare to the result in part (a).
c) approximate the probability that 8 < X < 12
A process yields 10% defective items. If 100 items are randomly selected the process, use normal approximation to find the probability that the number of defectives.
a) exceeds 13 and
b) less than 8.
A thin 20-cm x 20-cm flat plate is pulled at 1 m/s horizontally through a 3.6-mm-thick oil layer sandwiched between two plates, one stationary and the other moving at a constant velocity of 0.3 m/s, as shown below. The dynamic viscosity of the oil is 0.027 Pa.s. Assuming the velocity in each oil layer varies linearly (a) plot the velocity profile and find the location where the oil velocity is zero (b) determine the force that needs to be applied on the plate to maintain this motion.
The heights of 1000 students are normally distributed with a mean of 174.5 centimeters and a standard deviation is 6.9 centimeters. Assuming that the heights are recorded to the nearest half-centimeter, how many of these students would you expect to have heights.
a) less than 160.0 centimeters?
b) between 171.5 and 182.0 centimeters inclusive?
c) equal to 175.0 centimeters?
d) greater than or equal to 188.0 centimeters?
#340153 on Dec 2023