Find the probability that more than 8 fail before 10 months

Assignment Help Civil Engineering

Reference no: EM13316640

Suppose that under severe operation conditions, the lifetime, in months, of a transisitor is exponentially distributed with parameter ? = 0.2.

a. Find the probability that such a transistor lasts longer than 8 months.

b. Find the probability that the lifetime of a transistor is between 4 and 10 months.

c. Suppose 10 transistors are operating independently. Find the probability that at least 2 of them last longer than 8 months.

d. Find the probability that more than 8 fail before 10 months.

Reference no: EM13316640

Questions Cloud

Translate organizational strategies in to employee behaviors : In order to translate organizational strategies in to employee behaviors that support these strategies, performance management systems use a variety of techniques at the individual employee level. These techniques include all of the following EXCEPT

What time interval does one electron travel full length line : A high-voltage copper transmission line with a diameter of 2.60 cm and a length of 130 km carries a steady current of 1.03 103 A. what time interval does one electron travel the full length of the line

Comprehensive analysis of all current jobs : A comprehensive analysis of all current jobs in the organization can answer all of the following questions EXCEPT

Find the magnetic flux through each turn : A 10-turn ideal solenoid has an inductance of 3.5 mH. When the solenoid carries a current of 8.0 A the magnetic flux (in mWb) through each turn is

Find the probability that more than 8 fail before 10 months : Suppose that under severe operation conditions, the lifetime, in months, of a transisitor is exponentially distributed with parameter d = 0.2. a. Find the probability that such a transistor lasts longer than 8 months.

A baby bomber manager of a generation y subordinate : A baby bomber manager of a Generation Y subordinate may

Determine the rms current in the circuit : An ac generator producing 10 V (rms) at 300 rad/s is connected in series with a 25-? resistor, The rms current in the circuit (in mA) is

Determine the velocity with a static pressure in pipe : Water with a static pressure of 1.96kN/M2 flows through an 800 mm diameter pipe. A pitot tube pressure gage in this pipe reads a pressure of 5.88 kN/M2. Determine the velocity (V)

How high above the ground does it go before coming to a stop : A 5.60 kg of mass is pressed against a spring with a spring constant of 12500 N/m. how high above the ground does it go before coming to a stop

User Account

All Pages