Let a random variable m have a symmetric density function f (x), that is, f (x) = f (- x)|

The distribution function is assumed to be continuous
p(|m|

RELATED INFORMATIONS

1. Find the rule: 2, 3, 5, 7, 11, 13, x, 19, 23, 29, what is x? A17 B15 C19
2. What is the formula for calculating the radius of a circle?
3. Cut the 12 meter long rope into 10 sections on average, and each section is full length______ , length of each segment______ Rice
4. How many square meters is 830 square decimeters equal to
5. The number reasoning problem of civil servant's line test: 0,0,6,24,60120 () a.180 b.196 c.210 d.216 0 = 0 ^ 3-0, 0 = 1 ^ 3-1, 6 = 2 ^ 3-2, 24 = 3 ^ 3-3, 60 = 4 ^ 4-4, 120 = 5 ^ 35, (210 = 6 ^ 3-6) what does this symbol mean?
6. Any function f (x) defined on R can be expressed as the sum of an odd function g (x) and an even function H (x), if f (x) = LG (x times of 10 + 1), X The analytic expressions of G (x), H (x) belong to R Thank you very much. I hope you can answer quickly
7. As shown in the figure, it is known that the unit circle O and y-axis intersect at two points a and B. the vertex of angle θ is the origin, the starting edge is on the positive half axis of x-axis, and the ending edge is on the ray OC. The function value of the directed line AC is () A. sinθB. cosθC. tanθD. cotθ
8. As shown in the figure, AB is the diameter of ⊥ o, P is a point on the extension line of AB, PC is the tangent of ⊥ o, C is the tangent, BD ⊥ PC, Foot drop is D, cross o to e, connect AC.BC (1) BC ^ 2 = BD * ba. (2) if AC = 6, de = 4, find PC
9. 32. As shown in the figure, the side length of square ABCD is a, take AB as the diameter, make semicircle o, cross point C, make the tangent of semicircle ad to F, and the tangent point is e (1) Verification: OC ⊥ of; (2) Find the perimeter and area of RT △ DCF
10. As shown in the figure, there is a point C on the semicircle o with the diameter of ab. through point a, make the tangent of the semicircle and intersect the extension line of BC at point D If BC = 2, root sign 3, EF = 1, find AC It has been proved that delta ADC is similar to triangle BDA The painting is not very good.
11. 7 / 8 of a number is 14. What's 5 / 32 of this number? (solve the equation)
12. It is known that the sum of the first n terms of the sequence {an} is Sn, and A1 = 1, an + 1 = half times Sn (n = 1.2.3.) (1) find the general formula of the sequence {an} (2) When BN = log 3 / 2 (3an + 1), prove: the sum of the first n terms of the sequence {BN * BN + 1 / 1}, TN = 1 + n / n
13. Number reasoning, the most difficult problem in the world
14. Find the range y = (5-x) of (3x-9) (6 ≤ x ≤ 7) How to draw a picture? Or tell me how to turn the above formula into a general inverse proportion formula, such as (x + #)#+#
15. The reciprocal of the product of two continuous natural numbers divided by their difference is 1 / 56. These two natural numbers are ()
16. 40% of a number is 0.5 more than 1 / 3 of it. How to find this number
17. Wang Zhuang's weight is 39 kg. How many kg does his blood contain?
18. Calculate | quarter to half | + | sixth to quarter | + | eighth to sixth | + · + | 208 to 206
19. How many meters is three Zhang
20. Solving an absolute value inequality Inequality: x|x-a| - 2