CCM2 Probability

Name: ____________________ 
 THE TWELVE DAYS OF CHRISTMAS 

On the first day of Christmas, my true love gave to me: A Partridge in a Pear Tree .
If the probability of getting a partridge is 58% and the probability of getting a pear tree is 76%,
and these are independent events, find the probability of getting a partridge and a pear tree.
_______

On the second day of Christmas, my true love gave to me: Two Turtle Doves.
If the probability of a being female turtle dove is 53%, find the probability five female turtle
doves being born in a row.
_______

On the third day of Christmas, my true love gave to me: Three French Hens.
In a coop there are ten hens. Five are American Hens, two are Germen Hens and three are
French Hens. What is the probability of picking five hens in a row so that the last three that
you pick are French hens? (Once they’re chosen, the hens do not go back inside the coop)
_______

On the fourth day of Christmas, my true love gave to me: Four Calling Birds.
A calling bird has five different types of calls, 1, 2, 3, 4 and 5, and two different pitches, flat
and sharp, which can be used for each call. What is the probability that the bird will make an
even numbered call in a flat pitch?


_______

On the fifth day of Christmas, my true love gave to me: Five Golden Rings.
_______
A jewelry store has fifteen plain gold rings in the store, ten rings with diamonds and five gold
rings with a diamond on it. What is the intersection of gold rings and gold with a diamond
rings? What is the union of gold rings and gold with a diamond rings? (Hint: draw a venn
diagram)
_______

On the sixth day of Christmas, my true love gave to me: Six Geese A-laying.
Geese lay either white eggs, speckled eggs or brown eggs. If a goose lays 50 eggs in a
lifetime, there is a 78% chance that the egg will be white and a 22% chance that it will be
speckled. What is the probability that they first two eggs a goose lays are speckled?


_______


On the seventh day of Christmas, my true love gave to me: Seven Swans A-swimming.
If the probability of a swan drowning is 23%, find the probability four swans drowning in a row.
_______

On the eighth day of Christmas, my true love gave to me: Eight Maids A-milking.
In the barn, the maids notice that of the 30 cows, twelve are brown cows, five spotted cows,
13 black cows. What is the probability that the first two maids will milk a brown cow and the
next two maids will milk a spotted cow? Once a cow has been milked, it cannot be milked
again that day.
_______

On the ninth day of Christmas, my true love gave to me: Nine Ladies Dancing.
Nine ladies are playing cards. In order for the lady to dance she must draw two cards in a row,
without replacement, and each card must be a heart. Find the probability that the lady will
dance.

_______


On the tenth day of Christmas, my true love gave to me: Ten Lords A-leaping.
Ten Lords are playing Yahtzee. In order for a lord to leap, he must roll two dice and get a sum
that is even. What is the probability that the lord will dance?
_______

On the eleventh day of Christmas, my true love gave to me: Eleven Pipers Piping .
In Jason's homeroom class, there are 11 Pipers who have brown eyes, 7 Pipers who are lefthanded, and 3 Pipers who have brown eyes and are left-handed. If there are a total of 26
students in Jason's homeroom class, what is the probability of picking a piper that has neither
have brown eyes nor are left-handed?
_______

On the twelfth day of Christmas, my true love gave to me: Twelve Drummers Drumming .
There are twenty drums that a drummer can use to play; 15 bass drums, 2 bongos and 3
snare drums. What is the probability that all the drummers will play a bass drum? (Hint: How
many drummers are drumming?)
_______

If you round all of your answers to 3 decimal places the sum of
all of your answers should be 36.58