กล่องใบหนึ่งมีบอลสีแดงบรรจุอยู่ 6 ล

One box contained a red ball 6 ball roller blue & white 4 5 balls randomly grab a ball and 1 ball
. You shall find the probability that the ball will be red, white ข.
g
c blue. D., not red, white, or Red


R, W, b, stumps, R instead of random events that have red, white, and blue, respectively.
because 15 n (S) =
g P (R) = 6/15 = 2/5
ข. P (W) = 4/15
P c. (B) = 5/15 = 1/3
0
d. P (R) = 1-P (B) = 1 – 2/5 = 3/5
, P (R U W) = P (R) P (W) – P.

One has a red box containing 6 balls 4 white balls and five blue balls randomly picks one ball for children.
, find the probability that it has the ball.
A. Red B.. Colored white
smoke., blue d. than red.
District Red or white
stump B
to R, W, R represents the random red, white, and blue, respectively.
because n (S) = 15.
A. P (R) = 6/15 = 2/5.
data. P (W) = 4/15.
York. P (B) = 5/15 = 1/3.
0
d. P (R ') = 1 - P (B) = 1 - 2/5 = 3/5.
package . P (RUW) = P (R) + P (W) - P.

A box with a red ball is contained 6, white, and blue 4 5. Random pick up the ball to 1 ลูก
, find the probability to get the ball! Red lead. B. white
C. blue. Not red


in red or white ตอบี led to R W,,Random events R instead of red, white, and blue, respectively, due to n (S
a) = 15
g P (R) = 6 / 15 = 2 / 5
B. P (W) = 4 / 15
. C. P (B) = 5 / 15 = 1 / 3 0

. P (R ') = 1 - P (B) = 1 - 2 / 5 = 3 / 5
. P (R U W) a = P (R) P (W) - P.