1. The table shows the results of spinning a four-colored spinner 50 times. Find the experimental probability and express it as a decimal.
P(not red) = ?
red | blue | green | yellow
-----------------------------------------
20 | 10 | 9 | 11
(1 point)
a 0.6
b 0.4
c 0.2 <------------------------
d 0.3
2. You roll a number cube 20 times. The number 4 is rolled 8 times. What is the experimental probability of rolling a 4? (1 point)
a 40%
b 25%
c 20%
d 17% <-------------------------
3. The table below shows the results of flipping two coins. How does the experimental probability of getting at least one tails compare to the
theoretical probability of getting at least one?
outcome|HH | TH | HT | TT
--------------------------
landed |28 |22 |34 | 16
A The experimental probability is 3% greater than the theoretical probability.
B The theoretical probability is 3% greater than the experimental probability. <---------------
C The experimental probability is equal to the theoretical probability.
D The experimental probability is about 1% less than the theoretical probability.
4. The probability of winning a game is 15%. If you play 20 times, how many times should you expect to win? (1 point)
a 5 times <------------------------
b 3 times
c 6 times
d 15 times
5. The probability of having a winning raffle ticket is 20%. If you bought 50 tickets, how many winning tickets should you expect to have?
a 5 tickets <----------------------
b 3 tickets
c 8 tickets
d 10 tickets
6. A company finds 5 defective toys in a sample of 600. Predict how many defective toys are in a shipment of 24,000.
a 40 toys <-------------------------
b 166 toys
c 200 toys
d 20 toys
7. Which of the following is an example of independent events?
A rolling two number cubes <-------------------
B selecting marbles from a bag without
replacement after each draw
C choosing and eating a piece of candy from a dish and then choosing another piece of candy
D Pulling a card from a deck when other players have already pulled several cards from that deck
8. A bag of fruit contains 4 apples, 1 plum, 2 apricots, and 3 oranges. Pieces of fruit are drawn twice with replacement. What is P(apple, then
apricot)? (1 point)
a 4/5
b 2/25
c 3/25
d 3/5 <---------------------
9. A coin is flipped three times. How the does P(H, H, H) compare to P(H, T, H)? (1 point)
A. P(H, H, H) is greater than P(H, T, H)
B.P(H, T, H) is greater than P(H, H, H). <-----------------
c.The probabilities are the same.
d.There is no way to tell with the information given.
10. A coin is tossed and a number cube is rolled. What is P(heads, a number less than 5)? (1 point)
A 1/3
B 5/12
C 2/3
D 5/6 <----------------------
am i correct.
Just to let you know, i am really bad at math:(
93 answers
2)= 40 40% *20=8
3)since there are 4 outcomes, theoretical = 25% my changed answer is 25%.28+22+34+16= 100 100 / 4 = 25%
4)my changed answer 3 15% of 20=3
5)20=2 50=5 2*5=10 A
6)24000 / 600 = 40
7)self explanatory
8)apple+apricot =6 10 all together 6/10=3/5
9)since a coin flip is random,it is a higher probability of the outcome to be H T H or B
10)since it says less than 5 and there is 6 sides on a dice all together, it is 5/6.
PLEASE CHECK
There are 4 colours, multiplied by 20% gives only 80%, where do the remaining 20% go?
Experimental probability goes with the outcome of experiments. Think along those lines.
2)
40% is correct, as you said 40%*20=8, or working directly, 8÷20=40%.
3)
Theoretical is 25% (100/4).
Experimental is what? Then choose a correct answer.
4)
15% of 20 = 3 times
is correct.
5)
Correct, calculate by proportion,
or 50 tickets * 20% = 10 .
6)
Remember they found 5 defective toys out of 600.
7)
Independent means one outcome does not affect the other.
If you think it is self-explanatory, it seems that you understand the idea.
8)
What you 3/5 is the correct answer for a different problem, namely picking either an apple or an apricot.
The question requires picking an apple first, then an apricot on the second draw.
The two draws are independent steps.
The probability of succeeding both steps is the product of succeeding each step.
There is a total of 10 fruit pieces.
P(Apple)=4/10
P(Apricot)=2/10
So P(Apple then Apricot)
= P(Apple)*P(Apricot)
=?
9)
There are 2 outcomes for each flip, and there are 2³=8 outcomes if it's flipped three times.
Enumerate the 8 outcomes and count how many of them are HTH, and how many of them are HHH.
(Ignore my previous answer to this problem, I misinterpreted the problem)
10)
Again, this is a two step experiment, tossing a coin and throwing a die.
Find and post the probability of success for each step. Now since the two steps are independent, the probabilities of the two steps may be multiplied together to get the final probability.
2. a
3. b
4. b
5. c
6. c
7. a
8. b
9. c
10. a
Essential Math 6 B Unit 6:Exploring Probability
1- is 1 which is a
2- is 1 which is a
3- is 2 which is b
4- is 2 which is b
5- is 3 which is c
6- is 2 which is b
7- is 1 which is a
8- is 2 which is b
9- is 3 which is c
10- is 1 which is a
DONE AT 8:17 PM
Date 5/16/2018
A
D
B
C
B
A
B
C
A
1. A
2. A
3. B
4. B
5. C
6. C
7. A
8. B
9. C
10. A
10/10 (100%)
Your Welcome!
6. A dealership has 5 red cars out of 20 cars. Based on his ratio, predict how many red cars the dealership would have if they had 100 cars.
Unselected answer (0 pts) 4 red cars
Unselected Correct answer (1 pt) 25 red cars
Incorrect Selected Answer (0 pts) 400 red cars
Unselected answer (0 pts) 75 red cars
0 /1 point
1c
2c
3a
4b
5a
skin wish i had it
ty Lun x3
:D
1. A
2. A
3. B
4. B
5. C
6. C
7. A
8. B
9. C
10. C
I promise
6.3.6 - Quick Check: Theoretical and Experimental Probability
Math 6 Spring 2020/2021 / 6. Exploring Probability / 6.3. Theoretical and Experimental Probability
(for the quiz)
B
C
A
B
A
C
1. 0.6
2. 40%
3. The theoretical probability is 3% greater than the experimental probability.
4. 3 times
5. 10 tickets
6. 200 toys
7. rolling two number cubes
8. 2/25
9. The probabilities are the same.
10. 1/3
*sorry for the spelling im dislexic*
2. A
3. B
4. B
5. C
6. C
7. A
8. B
9. C
10. A
GOT 10/10 CORRECT
2. A. 40%
3. B. The theoretical probability is 3% greater then the experimental probability
4. B. 3 times
5. C. 10 tickers
6. C. 200 toys
7. A. Rolling two number cubes
8. B. 2/25
9. C. The probabilities are the same
10. A. 1/3
When helping you should always include the actual answer because sometimes they change the order. Thanks
Your answers are all correct!
2. 25%
3. The experimental probability is 3% greater than the theoretical probability.
4.7/12
The experimental probability will get closer to 50%
I hope this help :)
1-C. 0.8
2-C. 25%
3.A. The experimental probability is 3% greater than the theoretical probability
4.B. 7/12
5.A. The experimental probability will get closer to 50%.
I just did the test so this should give you 100%
a
b
b
c
c
a
b
c
a
seems fake but 100% legit
The table summarizes the results of spinning the spinner shown.
The image shows a spinning wheel with 2 blue spaces, 2 yellow spaces, 2 green spaces, and 2 red spaces. One of the yellow spaces has an arrow.
Color
red
blue
green
yellow
Number of times spun
6
5
3
4
What is the experimental probability of the spinner landing on red?
6/20
Simplifying this fraction we get:
3/10
So the experimental probability of the spinner landing on red is 3/10 or 0.3 as a decimal.
1/3
1/4
6/20
Simplifying this fraction we get:
3/10
So the experimental probability of the spinner landing on red is not one of the given answer choices.
In this case, the cube was rolled 20 times and it landed on 2 five times:
Experimental probability of rolling a 2 = 5/20
Simplifying this fraction, we get:
Experimental probability of rolling a 2 = 1/4
So, the experimental probability of rolling a 2 is 1/4 or 0.25 as a decimal.
1/6
1/2
1/12
2/3
6 answers