Expected number of bikes sold during a month
The salespeople at Quality Motor Bikes sell up to 5 bikes a month. The probability distribution is as follows in the table below. What is the expected number of bikes sold during a month? Sales Probability .02 .40 .30 .15 .08 .05
Expected delivery within 24 Hours
The number of vacancies in some hypothetical metal increases by a factor of 4 when the temperature is increased from 1010 K to 1160 K.
McDonalds Waiting Times. You want to estimate SD for the population of waiting times at McDonald's drive up windows. You want to be 95% confident that the sample SD is within 20% of SD. Find the minimum sample size. Is this sample size practical?
A stone is shot from the edge of a cliff 125 m above ground level with an initial speed of 65 m/s at an angle of 37 degree below the horizontal. (a) Determine the the displacement along x direction
What are the hoop and axial stresses , when the cylinder carries an internal pressure of 10 MPa? How much does the radius of the cylinder expand due to the internal pressure?
The salespeople at Quality Motor Bikes sell up to 5 bikes a month. The probability distribution is as follows in the table below. What is the expected number of bikes sold during a month?
A charged material causes the deflection of a positively charged electroscope to increase. Does the charged material have an excess or deficiency of electrons? Explain.
A manufacturer claims the average life of a product is 500 hours. The lifetime of the product is assumed to follow an exponential distribution. What is the probability that the product will last less than 200 hours?
What are the hoop and axial stresses sigmatheta, sigmaz when the cylinder carries an internal pressure of 10 MPa? How much does the radius of the cylinder expand due to the internal pressure?
Differentiate between macroscopic and microscopic approaches. Which approach is used in the study of engineering thermodynamics.
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