stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
IM 7 Unit 8 Probability and Sampling Flashcards | StudBud
Explore
/
IM 7 Unit 8 Probability and Sampling
IM 7 Unit 8 Probability and Sampling
33 terms
·
StudBud Administration
·
794 plays
Probability questions for statistics class.
Flashcards
33 cards
F
Practice quiz
P
Host live
L
Questions
33
Answers
1
If an event is
impossible
, it has a probability of zero.
True
False
2
You flip a coin and chose letters from the alphabet. What is the probability of getting a tails and choosing a vowel?
5/52
5/26
None of these.
21/26
3
What is sample space, S?
The area where samples are.
The total possible outcomes of an event.
The favorable outcomes of an event.
4
Find the range
5
2
86
34
5
What is the probability of rolling a number
greater than 4
?
1/3
1
1/2
0
6
What is the probability that a number less than 7 will appear when you roll a die one time?
1
1/2
0
1/6
7
On a single roll of a standard die, what is the probability that a 3 will NOT appear?
0
3/6
1/6
5/6
8
If the probability of an event happening is ¼, then the probability of it not happening is ¾.
True
False
9
What is the median?
24
19
53
2
10
Two coins are tossed. What is the probability of getting two heads, P(HH)?
0
1
1/2
1/4
11
You flip a coin and draw a card from a standard deck. What is the probability that you get a heads and draw an
ace
from
4/104
1/104
8/104
0
12
If I toss a fair coin twice and get TT, what is the probability that tails appears next toss?
1/2
1
0
2/3
13
An event with a probability of 0.1 ...
is certain to occur.
cannot occur.
is very likely to occur.
is not very likely to occur.
14
Which is a measure of center?
Median
Range
IQR
Mode
15
Given a bag with 12 red and 7 green marbles, what is the odds of randomly selecting a
red
one?
1/2
7/19
7/12
12/19
16
Which is a measure of center?
Range
Mode
Mean
Medium
17
Find the MAD
10
8
7
9
18
Ava surveys students at a movie about their favorite activity. She determines most like movies. Best conclusion?
not valid because only surveyed students
not valid because she surveyed at a movie theater
valid because surveyed a large number
valid because surveyed people at a movie
19
Find the Mean
41
32
40
35
20
You roll two dice. What is the probability of rolling a number
greater than 4 at least once
?
27/36
24/36
20/36
1
21
What is the theoretical probability that you draw a
red
card from a shuffled deck of cards?
1/2
1/4
1/13
0
22
What is the probability that you draw a
diamond
from a well-shuffled deck of cards?
1/4
1/13
1/2
0
23
If an event is
certain to occur
, it has a probability of zero.
False
True
24
Two dice are rolled. What is the probability that the sum is 12?
1/6
1/12
0
1/36
25
Masoon will collect data to find out where the 7th grade students should take a field trip. Which is the best data?
all students in a dance class
twenty of his friends
First 25 students in lunch line
10 random people from 7th grade
26
Find the Median
35
40
41
30
27
Joy surveys kids leaving GAP to determine what brand kids like best. Which best explains why her results are not valid?
survey conducted only by Joy
group surveyed were only kids
the group surveyed were all at GAP
Survey should have been conducted online
28
I toss a penny, a nickel, a dime and then a quarter. What is the probability I get all heads or all tails?
1/8
2/16
None of the these
14/16
29
The MAD tells us how much variability is in our data
True
False
30
Which of the following experiments does
NOT have equally likely outcomes
?
Choose a letter at random from the word SCHOOL.
Toss a coin.
Choose a number at random from 1 to 7.
31
What is the Mean Absolute Deviation?
median distance from mean
median of the data
average distance from mean
average of the data
32
You roll a fair six-sided die once. What is the probability of getting an
even number
?
1/6
1/3
1/2
0
33
A women has three sons. What is the probability that her next child will be a girl?
0
1/2
1/4
1/8
