Date
Name
Basic skills: calculate Probability as a oecimal
tndependentPractice 1
1
rr
L
"t
2
r'
A n u m b e r i s d r a w nf r o m 1 t o 1 2 a t r a n d o m .
P
(7).
A card is drawn from a well shuffled pack of 52 cards.
p (queen).
n abr a
ck, 8 blue and 11 green marbles. R
'm
bg
l ec iosn tdar' ianwsn7abt l ar a
ndom.
P (bl ue).
-^r '
A n u m b e ri s d r a w n f r o m 2 8 t o 3 6 a t r a n d o m .
P (30).
). '
A n u m b e ri s d r a w n f r o m 4 0 t o 5 6 a t r a n d o m .
P (not 54).
6.
n b a g i o n t a i n s L 2 y e 1 1 o w ,1 6 w h i t e a n d L 4 r e d m a r b l e s . A
marble is drawn at random.
P ( n o t w h it e ) .
7
,.
You roll
P (5).
a'
o
A card is drawnfrom a well shuffled pack of cards.
P (d i a mo n d ).
^r '
R n u m b e ri s d r a w n f r o m 8 0 t o 1 0 0 a t r a n d o m .
P ( a n u m b e rl e s s t h a n 8 5 ) .
L0.
n bag contains 16 red, 20 violet
m a r b ' l ei s d r a w n a t r a n d o m .
P (red or pink).
a d i e n u m b e r e df r o m 1 t o 6 .
and tZ pink marbles. A
Date
Name
Basic skills: calculate probability as a oecimal
tndependentPractice 2
.r'
A n u m b e ri s d r a w nf r o m 2 0 t o 3 0 a t r a n d o m .
p e+1.
2.
a b a g c o n t a i n s l L b l u e , 2 4 b l a c k a n d L 6 w h i t e m a r b l e s .A
m a r b l e i s d r a w na t r a n d o m .
P (black).
J2 '
A n u m b e ri s d r a w nf r o m 6 0 t o 7 2 a t r a n d o m .
P ( a n u m b e rl e s s t h a n 6 5 ) .
-^t '
" " Y o u r o l l a d i e n u m b e r e fdr o m 1 t o 6 .
P (3).
)t r'
A card is drawn from a well shuffled pack of cards.
P (ace).
6.
A b a g c o n t a i n s 6 r e d , L 5 g r e e n a n d 1 8 y e 1 1 o wm a r b l e s . A
marble is drawn at random.
n. (not green).
1t t
A card is drawn from a well shuffled pack of cards.
P ( k i n g o r q u e e n ).
o'
o
Y o u r o l l a d i e n u m b e r e df r o m 1 t o 6 .
P (4 or 5).
n
r'
R n u m b e ri s d r a w n f r o m 2 0 t o 3 0 a t r a n d o m .
p ( a n u m b e rg r e a t e r t h a n o r e q u a l t o 2 7 ) .
r1v^'
Y o u r o l l a d i e n u m b e r e df r o m 1 t o 6 .
P ( a n u m b e rg r e a t e r t h a n o r e q u a l t o 4 ) .