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Soccer goals. A talented soccer player is expected to score 21 goals in a given soccer season.
a. Find an upper bound on the probability that he scores 30 goals or more during the season.
b. If he has a standard deviation of 6.5 goals during the season, give a bound on the probability that he scores between 8 and 34 goals during the season.
If the collector of a transistor is connected to the base terminal, the transistor continues to operate in the forward-active mode, since the B-C junction is not reverse biased biased. Determine the small-signal resistance, re=Vce/Ie
Determine the improvement (in decibels) in the output SNR that results if the modulation index is increased from 0.6 to 0.9.
When a cloud passes over a certain spot on the surface of the earth a vertical electric field of E = 100 V/m is recorded there. The bottom of the cloud is a height d = 300m above the earth and the top of the cloud is 600m above the ground.
Oil (density 0.91 g/cm^3) flows in a pipe (see fig.) and the flow rate is measured via a mercury manometer (density of Hg=13.546 g/cm^3). If the difference in height between the two legs of the manometer is 0.78 in.
Write a Gumnut subroutine to transmit a byte of data using the serial output controller of Exercise 8.21. Assume the data register is a port address 24 and that there are no other interrupt sources in the system. The subroutine should wait in stan..
Switch is closed at t=0 s. Since the circuit has no resistance, capacitor charges instantly, find energy stored in the capacitor at t=0s.
We represent this by a non-overlapping sequence detector. In other words, asa soon as you detect the sequence, you will need to get another complete sequence to unlock. Therefore, you need to carefully choose to which state you will need to go.
A TV signal (Audio and Video) has bandwidth of 4.5 MHz. The signal is sampled,quantized and binary-coded to obtain PCM signal. (a) Determine the sampling rate if the signal is to be sampled at a rate 20% above the Nyquist rate.
Suppose that we design an inverting amplifier using 5-percent-tolerance resistors and an ideal op amp. The nominal amplifier gain is -2.What are the minimum and maximum gains possible, assuming that the resistances are within the stated tolerance?..
A dc motor takes an armature current of 105 A at 480 V when running at 720 rpm . The resistance of the armature circuits is 0.2 Ω and the field resistance is 96 Ω what is the torque developed in the armature
We wish to build a machine with as great a flux density as possible while avoiding excessive saturation in the core. What would be a reasonable maximum flux density for this core?
calculate the torsional spring stiffness constant for a steel shaft 0.5 in diameter and 2.5 ft long.express your result
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