An urn contains three white balls and two black balls. A player draws randomly and successively three balls from this urn, respecting the following rule: In each draw: if the drawn ball is black, he replaces it back in the urn; if it is white, he doesn't replace it back in the urn.
1) Calculate the probability of drawing, in the following order: one black ball, one black ball then one white ball.
2) Show that the probability of obtaining one white ball only, among the three drawn balls,, is equal to 183/500

can someone please please help me with this

d) by the cross product property, ab^2 = bc multiplied by ad

step-by-step explanation:

we are given

in the given triangle abc

angle a is 90° and segment ad is perpendicular to segment bc

we can see that

triangle(abc) and triangle(abd) are similar because they have common side and same angle (90 degree)

so, triangles(abc) and abd are similar

since, they are similar

so, the ratio of their sides must be equal

we get

now, we can cross multiply

and we get

so, this could be step to prove it

don't report but were is the digram

step-by-step explanation:

85.3-64 = 21.3

so laura has already added 85.3 grams of chocolate powder and she has gone over the amount specified in the recipe by 21.3 grams

hope i ! have a great  day!