Search & Filtering
A higher coffee price (substitute for tea) will shift the demand curve to left. True/false?
Use the bissection method to approximate the root of f(x)=2x²-1 in the interval . Let ε=0.1 be the margin of error of approximation.
For 2AB+C₂ → A₂+2BC, suppose AH = 100kJ, E₁-250kJ, and that the intermediate is A + C. Describe a potential energy process for this reaction. You do not need to use your reaction mechanism for this question.
B. Let p and q be propositions.
p: Cristina is a computer science major.
q: Leonardo is an Information Technology major.
Express each of these proposition as an English sentence:
1. q =
2. pq =
3. pq =
4. ¬q V (¬p ^ q )=
5. p ↔q =
A. Let p and q be propositions
p: 4 is a rational number
q: 3 is an irrational number.
Express each of these propositions as an English sentence:
1. ¬p =
2. p v q =
3. p ^ q =
4. p→q =
5. p ↔q =
It is claimed that the average weight of babies at birth is 3.4 kg. The average weight of a random sample of 30 newly born babies was determined. It was found out that the average weight was 3.1 kg. Is there a reason to believe that the average weight of babies at birth is not 3.4 kg? Assume that the population standard deviation is 1.1 kg. Use 0.05 level of significance.
Suppose a population consists of the values 6, 7, 8 and 9 and the sample size two are drawn from this population.
a. List all possible sample size two, with replacement, and compute the sample mean in each case.
b. Construct the sampling distribution of the sample mean.
c. Construct the probability histogram of the sampling distribution of the sample mean.
Write a C++ program that creates an array “A” having 5 elements (in the main function). Then, the
program asks the user to enter values in this array. After that, the program should replace each array
element which is divisible by 3 with new value (by adding 1 to it). In the end, the main program (“main”)
shows the updated array elements in ascending order.
Write a C++ program that creates two one dimensional arrays “A” and “B” of size 20 elements each. The main
program should get the input in the array “A” from the user and initialize array “B” with values “0”. Your
program should calculate the (number -2) of each element of array “A” and should store in the square value
in corresponding positions (index) in the array “B”. In the end, the main program (main function) prints the
calculated values of array “B”. Also display the values in array B which are Odd (if any).
random variable X has this probability distribution:
x 0 1 2 3 4 5
P(X=x) 0.1 0.2 0.05 0.1 ? 0.3
Find f(4)
