In a lot of 15 truss rods, 12 meet a tensile strength specification. Four rods are chosen at random to be tested. Let Xbe the number of tested rods that meet the specification.
a. Find P(X = 3).
b. Find 
.
c. Find 
.
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What is the name of the part of the joint that letter B is pointing to in Figure 2?
a. Land
b. Groove angle
c. Groove diameter
d. Groove radius
e. Root opening
Which of the following applies to all US Coast Guard construction projects and sites?
a. 17 CFR 240 b. 29 CFR 1926 c. 30 CFR 48 d. 90 CFR 752
An urban expressway is being designed for a congested area in Washington, D.C. It is expected that most of the time traffic will be moving at a slow rate. If the anticipated ESAL is 8 × 106, determine an appropriate asphalt binder for this project.
What will be an ideal response?
When testing an ECT sensor on a vehicle, a digital multimeter can be used and the signal wire back probed. What setting should the technician use to test the sensor?
A) Amperes B) DC volts C) Ohms D) AC volts