WorksheetsProbability 10a,b 13-16
Total questions: 40
Worksheet time: 2hrs 54mins
Kaiden, Marley, and Garryn are competing in a burrito-eating contest. Their probabilities of winning the contest are as follows:
P(Marley wins)=0.35
P(Kaiden wins) = 25 %
P(Garryn wins)= 2/5
Put the following events in order from least to most likely.
Marley, Kaiden, Garryn
Kaiden, Marley, Garryn
Kaiden, Garryn, Marley
Marely, Garryn, Kaiden
A bag contains 5 striped cubes, 3 dotted cubes, 4 white cubes and 3 red cubes. What is the probability of drawing a red cube, replacing it, and then drawing a white cube?
independent
dependent
A bag contains 2 striped cubes, 3 dotted cubes, 4 white cubes and 3 red cubes. What is the probability of drawing a white cube, not replacing it, and then drawing a dotted cube?
dependent
independent
What is the probability of picking a blue marble, putting it back in the bag, then picking a red marble? (leave answer in fraction form in lowest terms)
9/49
16/49
12/42
12/49
What is the probability of picking a green marble, keeping it, then picking another green marble? (leave answer in fraction form in lowest terms)
9/49
1/7
3/14
6/42
What is the P(blue)?
(leave answer in fraction form in lowest terms)
1/3
1/6
1/2
2/6
If you spin two times, what is the probability of landing on green both times? (leave answer in fraction form in lowest terms)
1/6
1/9
1/36
1/30
What is the probability of drawing an odd number, then drawing a 6? (no replacement--dependent event)
3/8
3/7
9/56
5/37
Daniel took 12 index cards and wrote the numbers 1-12 on them, one number on each card. He then collected the cards, shuffled them, and drew one card from the stack. What is the probability that the number on the card is greater than 0?
0%
10%
100%
50%
7.SP.3.5
The local weather report states that there is a 70% chance of rain today.
How likely is it to rain?
(a)
7.SP.3.6 An owner of a small store knows that in the last week
54 customers paid with cash, 42 paid with a debit card, and 153 paid with a credit card. Based on the number of customers from last week, which fraction is closest to the probability that the next customer will pay with cash?
51
41
21
31
7.SP.3.7 Mila has a bag filled with marbles.
In which situations would the probability of
Mila drawing a blue marble from the bag be not 31 ?
A bag with 3 blue marbles.
A bag with 30 blue, 15 green, and 45 orange marbles.
A bag with 50 red, 30 blue, 10 black, and 10 purple marbles.
A bag with 11 green, 13 red, and 12 blue marbles.
Which event has a probability of zero or impossible to happen?
Rolling a 7 on a 6 sided dice.
Tossing a coin and landing on heads.
Rolling an even number on a dice.
The sun rising in the morning.
Find the probability of NOT rolling a 3 on a single die.
1/6
2/6
5/6
3
How many outcomes are in the sample space for tossing one coin?
1
2
4
8
Find the probability of rolling greater than a 1 on a single die.
6/6
5/6
4/6
1/6
The spinner was spun 30 times and landed on blue 12 times. What was the experimental probability of the spinner landing on colors that were not blue?
2/5
3/5
4/5
1/5
Jason rolls a die 14 times.. What is the Experimental probability that he will roll a 1 or 6?
1/3
1/4
3/7
1/8
What is the difference between experimental and theoretical probability?
Experimental is based on trials, Theoretical is based on theory
Experimental is based on theory, Theoretical is based on trials
There is no difference, they are the same
How many outcomes are there for a quiz that has 5 true-false questions?
2⋅5=10
2⋅2⋅2⋅2⋅2=32
2+2+2+2+2=10
5+5+5+5+5=25
You roll two die.
What is the probability you will roll a 4, then roll a number less than 3?
1/36
1/18
1/9
1/6
If 33% of the students at GMS have a pet, then what is the complement of this event?
33%
77%
67%
50%
*Remember to simplify.*
Find the experimental probability of tossing tails.
2/3
5/8
1/3
2
10; 1/25
25; 1/25
10; 1/5
25; 1/5
Suppose the probability that it rains in the next two days is 1/4 for tomorrow and 1/6 for the day after tomorrow. What is P(rain tomorrow, then rain the day after tomorrow)?
5/12
1/5
1/12
1/24
P(consonant, then vowel)
1/12
2/9
1/2
1/9
Mr. Gulledge is having lunch at a sandwich shop. He can choose white bread or pumpernickel bread. His options for filings are tuna, ham, or chicken salad. His choices for condiments are mayo, ranch, or mustard. How many different sandwich choices does Mr. Gulledge have?
36
18
24
12
In how many ways could you choose two different letters from the letters Q U I Z?
24 ways
6 ways
120 ways
10 ways
A spinner that has 3 sections of equal are, numbered from 1 to 3, is spun two times in succession. Which is NOT part of the sample space?
(1,1)
(4,3)
(3,2)
(3,1)
