A point is chosen at random (according to a uniform PDF) within asemicircle of the form{(x, y)|x^2+y^2≤r^2,y≥0}, for some given r>0.(1)Find the joint PDF of the coordinates x and y of the chosen point.(2)Find the marginal PDF of y and use it to find e[y].

the correct answer is semicircle

step-by-step explanation:

the answer is semicircle because the shorter arc joining two points on the circumference of a circle is known as the minor arc, the larger arc is called the major arc, and a semicircle is a half circle, formed by cutting a whole circle along a diameter line.

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the answer is thin because within context, the stanza concludes the and frail tone the people have toward each other, and the fact that it would be thin, makes the most sense compared to "pliable" or "not hard or firm to the touch". hope this , good luck.

step-by-step explanation:

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investment b is an ordinary annuity with $3,909.64 in the account after one year.

step-by-step explanation: