Question 1 of 4 < 0.75/1 : are as follows: Samples of skin experiencing desquamation are analyzed for both moisture and melanin content. The results from 100 skin samples melanin content high low moisture high 13 8 content low 49 30 Let A denote the event that a sample has low melanin content, and let B denote the event that a sample has high moisture content. Determine the following probabilities. Round your answers to three decimal places (e.g. 0.987). a) P(A) = 0.380 b) P(B) = 0.210 c) P(A|B) = i 0.080 d) P(B|A) = 0.211 e meeee C SEP 18 44 อย MacBook Pro Search or type URL # % Λ 2 3 4 5 6 29 7 8* Statistical Tables and Charts ( 9 0 D W Q W E R T Y U I 0 P [ A S D F G Z H J K L X C V B N M H L H r ? + ||

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A sample of wire (1 mm in diameter by 1 m in diameter) length) of an aluminum alloy (containing 1.2% Mn) is placed in an electrical circuit, as shown in the figure next to. A voltage drop of 432 mV is measured at wire length when it carries a 10 A current. Calculate the conductivity of this alloy.

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please sir solve these 2 questions, thanks alot

1. Nichrome ribbon resistor elements each has a resistance of 1 ohm. The element is made from sheet of nichrome alloy, 0.0025 cm thick. If the width of the ribbon is 0.3 cm, what length is required per element in cm? Assume specific resistance of nichrome alloy to be 109 micro ohm-cm.

Answer this problem and show your step by step solution.

STTY OF BAS Example 1.7: A specimen of copper has a resistivity (p) and a temperature coefficient of 1.6x10-6 ohm-cm at 0 C° and 1/254.5 at 20 C° respectively. Find both of them at 60 Cº. 1

The datasheet shown below for a group of commercial Zener diodes, according to the datasheet the typical voltage and leakage current of the Zener diode with model number 1N4732A are: * Tolerance- S% FAIRCHILD SEMICONDUCTOR Datasheet 1N4728A - 1N4758A Zener Diodes D0041 Glass case Electrical Characteristics 1,-25°C untess otherwise noted Vz (V) @ Iz (Note 1) Max. Zener Impedance Leakage Current Test Current Device Zz@lz ZzK @ IZK (mA) IR (HA) VR (V) Min. Тур. Мах. Iz (mA) (오) Izk (2) 3.315 3.42 1N4728A 3.3 3.465 76 10 400 1 100 1 1N4729A 3.6 3,78 69 10 400 100 1N4730A 3.705 4.085 3.9 4.095 64 9 400 50 1N4731A 4.3 4.515 58 400 10 1N4732A 4.465 4.7 4.935 53 500 1 10 1 1N4733A 4.845 5.1 5.355 49 550 10 1 1N4734A 5.32 5.6 5.88 45 600 10 1N4735A 5.89 6.2 6.51 41 2 700 1 10 3 1N4736A 6,46 6.8 7.14 37 3.5 700 1 10 1N4737A 7.125 7.5 7.875 34 4 700 0.5 10 b. 1V and 10uA O c. 4.7V and 10uA a. 4.465V and 10UA O d. 4.7V and 53mA

Find the resistivity of the materials.SiliconSilverCopperAluminumIron Pure WaterGlassRubberNaClGermanium