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A sample of 250 workers aged 16 and older produced an average length of time with the current employer of 4.4 years with standard deviation of 3.8 years. Construct a 99.9% confidence interval for mean job tenure of all workers aged 16 or older
The average value of the particulate matter (PM10) in the air of Kuala Lumpur is 77 (μg/m3).. The average value of the particulate matter (PM10) is 65 (μg/m3) as calculated from the sample data. The standard deviation of the population is 44 (μg/m3). Use a significance level of α=0.05 to carry out the analysis.
Suppose that you have a computer with a memory unit of 24 bits per word. In this
computer, the assembly program’s instruction set consists of 198 different operations.
All instructions have an operation code part (opcode) and an address part (allowing for
only one address). Each instruction is stored in one word of memory.
a. How many bits are needed for the opcode?
b. How many bits are left for the address part of the instruction?
c. How many additional instructions could be added to this instruction set without
exceeding the assigned number of bits? Discuss and show your calculations.
d. What is the largest unsigned binary number that the address can hold?
The brick wall (of thermal conductivity 1.15 W/m · ◦ C) of a building has dimensions of 2.8 m by 9 m and is 24 cm thick. How much heat flows through the wall in a 5.5 h period when the average inside and outside temperatures are, respectively, 19◦C and 5◦C? Answer in units of MJ.
Three liquids are at temperatures of 6 ◦C, 20◦C, and 34◦C, respectively. Equal masses of the first two liquids are mixed, and the equilibrium temperature is 17◦C. Equal masses of the second and third are then mixed, and the equilibrium temperature is 25.3 ◦C. Find the equilibrium temperature when equal masses of the first and third are mixed. Answer in units of ◦C.
The probability that Roy attends a practice session before a match is 95%. If he attends, the probability that he is chosen for the team which plays is 98%. If he does not attend, there is a 75% chance that he will be chosen for the team.
a) Construct a well-labeled tree diagram to represent all the possible outcomes.
b) What is the probability that Roy:
i) attends practice and is chosen?
ii) does not attend practice and is not chosen?
iii) does not attend practice?
iv) is chosen?
the demand function Q(P) and cost functions C(Q) of a company's are give by the equations:
Q=12000-60P
C(Q0=10000-4Q
where P and Q are the price and quantity, respectively.
What is the company's profit function?
Write a program in C++ that ask the user to type a value and check whether it is prime or not.
Write a C++ program that prints on the screen following diamond shape with given series of numbers.
Order these forces from weakest to strongest (i.e. 1 is the weakest and 3 is the strongest).
__1__London dispersion__3__(2)Dipole-dipole__2__(3)Ionic attraction
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