What is the theoretical horsepower required to pump water at 6.30liters/second from a large reservoir to the surface of another reservoir 120m higher?
Calculate the molality of a solution that contains 27.5 g of barium chloride (BaCl2) in 100 mL of water.
The total cost of producing Q units of a given product is given by TC = 500+ 4Q2-12Q. Compute Marginal cost and average cost
How is the activity of enzymes in biological reactions similar to machines that build cars
an aluminum tube with a 15 inch diameter with an average speed of 150 ft/min and specific volume of
suppose that the average outstanding credit card balance for young professionals is Php 11,200 with standard deviation of Php 2,600. In simple random sample of 150 young professionals, what is the probability that the mean outstanding credit card balance does not exceeds Php 12, 300?
There is a conflict between the manager and one of the employees in the procurement department of the company. They are in disagreement on whether the company should make charitable. According to the manager the company should not give money to charity because it does not generate any income
A 30 kg block is pushed up an inclined plane at an angle of 25° with a constant
velocity of 4 m/s by a force of 280 N parallel to the plane. What is the coefficient of
kinetic friction between the block and the plane?
Q.You have been hired as a researcher for a prominent research-based organization and you have been allocated a new project for helping out a client.
You know that the time taken to complete similar projects is normally distributed with a mean of 50 days and a standard deviation of 4 days.
a. What is the probability of finishing this project within 45 – 55 days? (5 Marks)
b. When do we use Poisson Distribution? Give two example scenarios. (5 Marks)
Consider the following sample. It contains the weights of 25 participants:
55, 57, 58, 43, 62, 67, 71, 69, 66, 51, 72, 62.5, 58.5, 61, 72.5, 75, 44, 48, 49, 49.5, 49, 62, 66, 71, 58.
Calculate and plot the following using MS-Excel.
Write the formula and show the steps.
a. Variance
b. Standard deviation
c. Histogram
d. Ogive
Note: For histogram and ogive use bins numbers as 40, 45, 50, 55, 60, 65, 70