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Question: PRODUCT RELIABILITY A Christmas tree light has an expected life of 200 hr and a standard deviation of 2 hr.
a. Find a bound on the probability that one of these Christmas tree lights will last between 190 hr and 210 hr.
b. Suppose 150,000 of these Christmas tree lights are used by a large city as part of its Christmas decorations. Estimate the number of lights that are likely to require replacement between 180 hr and 220 hr of use.
Find the equation of the line tangent to the graph of f at the indicated value of x. f(x) = 5 - 2 lnx; x = 1
question boat as position is given by xt3-t yt2t-4 where the distance units are kilometres and the time units are
A sphere of fixed radius R is enclosed in a cone of height h and radius r. Express the volume V of the cone as a function of the slant angle of the cone.
Translate the following argument in symbolic form and determine whether it's logically correct by constructing a truth table. If affirmative action policies are adopted, then minorities will be hired. If minorities get hired, then discrimination wi..
Describe a real-life situation to which the normal distribution could be applied. Explain why. How does a normal distribution differ from one, which is not? Which aspects of your situation might be altered?
If BCD and EFGH are rectangles with AB=10cm,BC=7cm,EF=7cm and FG=4cm,all figures accurate to the nearest cm. Find (a)the largest and (b)the smallest possible values of the shaded area.
Determine the average number of comparisons used over all m permutations.
The intersection of two open sets is compact iff it is empty. Can the intersection of an infinite collection of open sets be a non-empty compact set?
A ceramic bowl is turned on a potter's wheel to approximate the surface obtained by revolving the curve y= (2/3)((x^2) - 1 ) from x=1 to x=2 about the y axis. What is the approximate outside area of the bowl? [assume that each unit on the x and y ..
Problem 1: Let f(x) = 5x2 - 7x + 8 and g(x) = 1 - 3x. a. Find the difference function (f - g)(x) and simplify the result. Show work.
You can win Lolita's "Deep-6" lottery jackpot if you correctly choose 6 non-repeating integer numbers between 1 and 36 (in any order) and those numbers are drawn. You buy one ticket. What is the probability that it's the jackpot winner?
What is the order and degree of the following differential equation. Which of the following equations are exact. What is the integrating factor of the following differential equation
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