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Online vs. traditional lecture. At a certain university, a large course has 1500 registered students; the course can be viewed online if a student does not feel like walking to the lecture hall. Each student decides each day (independently of the other students and independent of her/his own prior behavior) whether to attend the class in the lecture hall or just view the online version. The probability a student attends class in the lecture hall is only 0.30, so the registrar has quite a headache.
a. What is the expected number of students to attend class in the lecture hall on a particular day?
b. If the registrar assigns a lecture hall with 500 seats for the class, what is the probability that the lecture hall overflows (i.e., strictly more than 500 attend) on a particular day?
c. To save money, the registrar wants to use an even smaller lecture hall next semester, but the professor insists on having enough seats so the probability is 95% (or more) of no overflow on a given day. How many seats does the professor need in her lecture hall?
Determine the closed-loop voltage gain Av = Vo/Vs, -Determine the input resistance Ri f , and - Determine the output resistance Rof.
Only the six leftmost bits of addr will be compared; the remaining bits are ignored. An ‘X' in the check vector is treated as a don't care.
Assume that a parity-bit is transmitted for every nibble of data. Design a logic circuit that checks the nibble of data and transmits the proper parity bit for both even- and odd-parity systems.
Figure 5-47 shows part of a bicycle lighting system. The diodes are Schottky diodes. Use the second approximation to calculate the voltage across the filter capacitor.
What legal condition must be present for a Surety to act There are 6 courses of action that he can take (see slide 102). Assume the contract in question is to repave the Founder's Lot at UOIT; Pave-M-Good (PMG) being the contractor
An OP-AMP has a slew rate of 5 V/μ S. - The largest sine wave O/P voltage possible at a frequency of 1 MHZ is:
for the polynomal function P(x) = x^2 / 3 + x^2 - 8x + 1 find all relative extrema, the inflection point, the interval on which P is concave down
The voltage across the load must remain between 4.7 and 5.0 V for all values of load current. Design a voltage-divider network to supply the load. You may assume that resistors of any value desired are available.
Given an ideal op amp to implement designs for the following closed-loop gains, what values of resistors (R1,R2) should be used. Where possible, use at least one 10-kohm resistor as the smallest resistor in your design.
Identify the intervals of interest for performing the convolution {x[n]*h[n]} on the following LTI system. This experiment requires that you write the summations for each interval of interest, but does not required you to simplify the summations.
A standard 12-V car battery has an ampere-hour rating of 30 Ah, whereas a heavy-duty battery has rating of 51 Ah. Calculate the ratio of available energy and the percentage increase in available current for starting.
1.How is crude oil formed ?How is it found/discovered ? 2.How is natural gas formed? (Start with plankton) and include crude oil formation.
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