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A continuous random variable Yhas a probability density function f(y)= 1/6 ,3 ≤ y ≤ 9.
a) What is the mean and standard deviation of Y?
b) What is the probability that Y is exactly 6?
c) What is the probability that Y is between 3 and 5?
d) Briefly describe a real-world example that could be modelled by Y.
If the null space of a 4 X 6 matrix A is 3-dimensional. Is Col A = R3? Why or why not?
Scary Clown offers a Sad Meal containing a sandwich, a salad, a dessert, and a drink. (They are not mixed together in the box.) There are 11 types of sandwiches, 3 types of salads, and 5 different kinds of desserts. A person with low standards for..
the surface area of the moon is 37 932 330 km2. Calculate the side length of a square with same area.
The actual distance between city C and city D is 1540 kilometers. How far apart are city C and city D on this globe?
What is the tax on an income of $6,300? Show some work. What is the tax on an income of $63,000? Show some work.
Sarah spent 4/9 of her paycheck on food,1/3 of her money on rent,180$ on shopping,270 on clothing and saved 50$ as a remaining. What fraction did she save of her paycheck
Write a minimum of 10 pages, paper on a company's e-commerce practices. You may select a company you currently work for, have worked for in the past or one you research on the internet. You should also research and discuss if you agree or disagree..
described the height of the ball above the ground, h, in feet, t seconds after the fall begins. How long will it take the ball to strike the ground?
Back at the bakery, there has been a disaster. A contingent of crazy criminal clowns arrived and stole a bunch of the pies, taking some with them to eat.
find the percentage of SAT scores less than 1500; c. find the percentage of SAT scores between 1600 and 2100.
Consider the following compound propositions: A = (P→Q) Λ (Q→R) B = (P→R) a)Determine whether A ≡ B. Support your answer using truth table. Give reason for your answer. b)Determine whether the above compound propositions are tautology, contradiction ..
Suppose you add the number of functions mapping onto J over all possible subsets J of N. What simple value should this sum equal?
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