DOM Manipulations
The goal of this coding exam is to quickly get you off the ground with the DOM Manipulations.
Use the below reference image.
If 50 random selected high school students take the exam, what is the probability that the mean time it takes the group to complete the test will be less than 43 minutes
plot the supply and demand curve Qd= 3000-10P Qs=-10000 + 10P
Develop a C++ class named Complex
Complex to hold complex numbers data. The class should support functionality to support computation of complex conjugate, magnitude, phase and to print the number in format x+i(y)
x+i(y) where x
x is real and y
y is imaginary part. Provide at least three (default, copy and set by values) constructors.
Also, overload the four basic arithmetic operators(+, -, *, /) and write code to use those implementations.
A bottled water company has found in the past that 2% of their bottled water does not meet the company’s high standards. As such periodic samples are taken and tested for their quality. If from the last batch a sample of 12 bottles are taken and tested, determine the probability:
i. Carefully defining the random variable of interest [1]
ii. What is the probability distribution? State the values of the parameters [2]
iii. Justifying the suitability of the probability distribution identified in part (ii) [4]
iv. Calculate the probability that at most 2 bottles do not meet the company’s Standards [4]
v. The expected number of bottles that do not meet the company’s standards. [2]
vi. The amount of sodium sulfate, in mg, found in the bottled water follows a normal distribution with a mean 13mg and a standard deviation of 2.5mg. It is known that 76% of the bottles have a mean that is more than x mg. Find the value of x
In a titration, you found that 50.0ml HCl solution requires 25.00ml of 1.00M NaOH. What is the concentration of the hydrochloric acid solution?
If P (A) = 1/3
, P (B^c) = 1/4
, then P (AB) = 0.
True or False?
Define equilibrium constant and for the following reaction
2NH3(g) ⇌ 2N2(g) +3H2 (g)
i. Write the expression for Kc.
ii. Relate Kc to Kp, and
iii. Relate Kc
to Kx
write a program to find the least common multiple of the given two numbers Mand N