How many horsepower is required to move a 30 pound sack 100 feet in 2 seconds?
What will be an ideal response?
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A steel manufacturer is testing a new additive for manufacturing an alloy of steel. The joint probability mass function of tensile strength (in thousands of pounds/
) and additive concentration is
a. What are the marginal probability mass functions for X (additive concentration) and Y(tensile strength)?
b. Are X and Y independent? Explain.
c. Given that a specimen has an additive concentration of 0.04, what is the probability that its strength is 150 or more?
d. Given that a specimen has an additive concentration of 0.08, what is the probability that its tensile strength is greater than 125?
e. A certain application calls for the tensile strength to be 175 or more. What additive concentration should be used to make the probability of meeting this specification the greatest?
The location of multiple features is handled in a manner similar to the location of a single feature.
Answer the following statement true (T) or false (F)
If an A/C system is set to ''BI-LEVEL'' where is the air directed?
A) Floor only B) Floor and defrost C) Dash vents only D) Dash vents and floor
Which of the following is not a type of geometric tolerance?
A. straightness B. runout C. location D. form E. none of the above