A roulette wheel is divided into 25 sectors of equal area numbered from 1 to 25. let X be the number that occurs when
the wheel is span. Find : (i) Probability mass function of X,
(ii).P (X 25), (iii) Mean of X, (iv) Standard deviation of X.​

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the answer would be d

straight away you can eliminate a and c because not all books contain a scientific skill because some may be fiction. c is also wrong because it saids that the only way children can learn is through books which is incorrect.

b is also wrong because reading can be a scientific skill but not always, therefore it is wrong which leaves you with d, the correct answer since it said that it can children learn.

hope this ! : 3

vertical=18cm horizontal=18cm hypotenuse=25.5

step-by-step explanation:

step-by-step explanation:

a'(12.5,11.25)

slope=(y1-y2)/(x1-x2)