Compute probability that b occurs or a does not occur
Events A and B are mutually exclusive. Suppose event A occurs with probability 0.29 and event B occurs with probability 0.07. Compute the probability that B occurs or A does not occur (or both).
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Determine the headwater depth of a 1000mm(high) by 1500(wide) concrete box culvert operating under outlet control with a stream flow of 3.0m3/s.
What type of turbine should be used if turbine speed is 600rpm?
The life in hours of a 75-watt light bulb is known to be normally distributed with s=25 hours. Construct a 95% two-sided confidence interval on mean life.
Calculate the average velocity in the channel and discharge. Determine whether erosion will take place if maximum permissible flow of water in earthen channel is 1.5m/s
Suppose event A occurs with probability 0.29 and event B occurs with probability 0.07. Compute the probability that B occurs or A does not occur (or both).
Estimate the power required to drive the selected pump if efficiency is to be 85%. For applied speed n=1450rmp, what type of pump do you suggest?
A level of mass 20kg is used to support a mass of 150kg at the location as shown.The tension in cable TC has to be 4 times the tension in cable TD for the system to work. Draw the free body diagram of the level.
If the population standard deviation is 18.8 days, find the 90% confidence interval for the average number of days worked by all employees of these HR departments.
Assuming that s=9.6 years, construct and interpret a 95% confidence interval estimate of the mean age of all motorcyclists killed in crashes.
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