experimental probability

PROBABILITY TEST REVIEW
What is the probability of the
pointer landing on B?
5
a) 1/4
b) 1/2
c) 1/8
d) 3/8
0%
a)
0%
0%
b)
c)
0%
d)
0
Predict how many times the
spinner will stop on Y in 120 spins.
25%
25%
25%
25%
5
a)
b)
c)
d)
14
20
17
15
a)
b)
c)
0
d)
A standard number cube with the
numbers 1 through 6 is rolled.
Find the probability of rolling a
number greater than 1.
5
25%
a) 5/6
b) 1/2
c) 1/3
d) 2/3
25%
25%
25%
0
a)
b)
c)
d)
You are one of 53 people whose
name will be drawn for a prize.
What is the probability that your
name will be drawn first?
5
25%
a) 1/55
b) 1/52
c) 1/57
d) 1/53
25%
25%
25%
0
a)
b)
c)
d)
A number cube is rolled 360 times and
the results are recorded as follows: 48
ones, 55 twos, 69 threes, 72 fours, 45
fives, and 71 sixes. What is the
experimental probability of rolling a
two or three?
5
a) 0.34
b) 0.66
c) 0.09
d) 0.16
25%
25%
25%
25%
0
a)
b)
c)
d)
From a barrel of colored marbles, you
randomly select 5 blue, 8 yellow, 7 red,
4 green, and 8 purple marbles.
Find the experimental probability of
randomly selecting a marble that is NOT
25%
25%
25%
25%
yellow.
5
a) 16/17
b) 3/4
c) 11/16
d) 19/32
0
a)
b)
c)
d)
From a barrel of colored marbles, you
randomly select 5 blue, 8 yellow, 7 red,
4 green, and 8 purple marbles.
Find the experimental probability of
randomly selecting either a green or
25%
25%
25%
25%
purple marble.
5
a) 3/8
b) 7/16
c) 11/32
d) 13/32
0
a)
b)
c)
d)
In a random sample of 250 restaurant
customers, 74 customers ordered a
dessert. If the restaurant typically has
1,000 customers per day, how many
customers will probably order a
25%
25%
25%
25%
dessert .
5
a) 296
b) 396
c) 221
d) 346
0
a)
b)
c)
d)
A survey showed that 56% of car
owners prefer 4-door cars, 31% prefer
2-door cars, and 13% have no
preference. You ask 700 people. How
many do you think will prefer 4 door
25%
25%
25%
25%
cars?
5
a)
b)
c)
d)
292
442
457
392
0
a)
b)
c)
d)
Mary works in a factory that produces
1,000 telephones each day. When 50
telephones were sampled, it was
found that 10 were defective. Estimate
how many telephones are defective
25%
25%
25%
25%
each day.
5
a)
b)
c)
d)
214
184
210
200
0
a)
b)
c)
d)
A yogurt shop offers 7 different flavors
of frozen yogurt and 12 different
toppings. How many choices are
possible for a single serving of frozen
yogurt with one topping?
5
25%
a)
b)
c)
d)
82
84
87
19
25%
25%
25%
0
a)
b)
c)
d)
Southside Builders has a development
of new homes. There are 6 different
floor plans, 11 exterior colors, and an
option of either one-car or two-car
garage. How many choices are there
for one house? 25% 25% 25% 25%
5
a)
b)
c)
d)
198
66
132
19
0
a)
b)
c)
d)
A drawer contains 3 red socks, 2 white
socks, and 3 blue socks. Without
looking, you draw out a sock, return it
and draw out a second sock. What is
the probability that the first sock is
blue and the second
sock
is25%red?25%
25%
25%
5
a)
b)
c)
d)
55/64
9/64
3/8
2/5
0
a)
b)
c)
d)
Be able to write probability in
these forms:
a. a fraction in simplest form
b. a decimal
c. a percent
Know if an event is equally
likely or not equally likely.
Know if an game is fair or
unfair.
Know the difference between
experimental probability or
theoretical probability. And
how to find them.
Know how to read and
interpret a tree diagram.
Know how to construct a list
with all possible outcomes.
Determine whether an event
is independent and
dependent and be able to
explain why.