Are vegetables affected by high soil salts?
Indicate by YES (Y) or NO (N).
Y
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This exercise will lead you through a proof of Chebyshev’s inequality. Let X be a continuous random variable with probability density function f (x). Suppose that P(X < 0)=0, so f (x)=0 for x ? 0.
a. Show that 
.
b. Let k > 0 be a constant. Show that 
.
c. Use part (b) to show that 
. This is called Markov’s inequality. It is true for discrete as well as for continuous random variables.
d. Let Y be any random variable with mean µ Y and variance 
. Show that 
.
e. Let k > 0 be a constant. Show that P
.
f. Use part (e) along with Markov’s inequality to prove Chebyshev’s inequality: 
Succession can take as long as 10 years to reach the climax vegetation stage
Indicate whether the statement is true or false
When glass breaks, it is recommended that you pick it up with a pair of thin gloves
Indicate whether the statement is true or false
One limitation of a single-spring seal is the _____
a. pressure exerted by the spring b. ability to properly seat the seal c. radial space it requires d. leak rate of the seal