Probability Lessons 20-6 Through 20-8
(35).webp "Probability Lessons 20-6 Through 20-8 - Quiz")
This test will provide feedback on how much third grade students have learned about probability. The lesson for this test are 20-6, 20-7, and 20-8 in the enVison Math book, North Carolina edition.
Questions and Answers
- 1.
An event is __________ if it will probably happen.
Explanation
An event is considered "likely" if there is a high probability or a strong chance that it will occur. This implies that the event is expected or anticipated to happen based on available evidence or information.Rate this question:
- 2.
An event is __________ if it is sure to happen.
Explanation
An event is considered certain if there is no doubt or uncertainty about its occurrence. It is an absolute assurance that the event will happen, leaving no room for any other possibility.Rate this question:
- 3.
To __________ is to tell what may happen using information you know.
Explanation
To predict is to make an educated guess about what may happen in the future based on the information and knowledge that one possesses. It involves using available data, patterns, trends, and logical reasoning to anticipate or forecast a future outcome or event. Prediction is a valuable skill that helps individuals and organizations make informed decisions, plan ahead, and mitigate potential risks.Rate this question:
- 4.
A __________ is a way to organize data on a line.
Explanation
A line plot is a visual representation of data organized on a line. It uses a number line to display data points or values. Each data point is represented by a dot or symbol above the corresponding value on the number line. Line plots are useful for showing the distribution and frequency of data in a simple and concise manner.Rate this question:
- 5.
A possible result of a game or experiment is called an __________.
Explanation
An outcome refers to a potential result that can occur from a game or experiment. It represents the different possibilities or conclusions that can be achieved. In the context of this question, the term "outcome" accurately describes the possible results that can be obtained from a game or experiment.Rate this question:
- 6.
The outcome with the lesser chance of happening is __________.
Explanation
The phrase "less likely" refers to an outcome that has a lower probability of occurring compared to other possibilities. It suggests that the event or result being described has a smaller chance of happening when compared to alternative options.Rate this question:
- 7.
The outcome with a greater chance of happening is __________.
Explanation
The term "more likely" indicates a higher probability or chance of occurrence. Therefore, when comparing two outcomes, the one that is "more likely" is the one with a greater chance of happening.Rate this question:
- 8.
If an event is __________ it will never happen.
Explanation
If an event is described as "impossible," it means that there are no circumstances or conditions under which it can occur. This suggests that the event is completely beyond the realm of possibility and cannot happen in any way or form.Rate this question:
- 9.
If an event is __________ it will probably not happen.
Explanation
If an event is unlikely, it means that there is a low probability or chance of it happening. Therefore, it is reasonable to assume that it will probably not happen.Rate this question:
- 10.
Outcomes with the same chance of happening are __________.
Explanation
Outcomes with the same chance of happening are equally likely. This means that each outcome has an equal probability or likelihood of occurring. In other words, there is no favoritism or bias towards any specific outcome, and they all have an equal chance of happening.Rate this question:
- 11.
There are four coins in a purse. One is a quarter and the others are nickels. Describe the probability of picking a dime.
- A.
Likely
- B.
Unlikely
- C.
Certain
- D.
Impossible
Correct Answer
D. ImpossibleExplanation
The probability of picking a dime is impossible because the given information states that there are only four coins in the purse - one quarter and the rest are nickels. There is no mention of a dime being present in the purse, therefore it is impossible to pick a dime.Rate this question:
-
- 12.
Sam flipped a coin and it landed on heads. If he flips it again, it will...
- A.
Likely be heads
- B.
Unlikely be heads
- C.
Certainly be heads
- D.
Have an equal chance to be heads or tails
Correct Answer
D. Have an equal chance to be heads or tailsExplanation
The outcome of flipping a coin is independent of previous flips. Each flip has a 50% chance of landing on heads and a 50% chance of landing on tails. Therefore, regardless of the previous outcome being heads, the next flip still has an equal chance of landing on heads or tails.Rate this question:
-
- 13.
A glass jar contains a total of 31 marbles. The jar has blue and purple marbles. There are 23 blue marbles. Describe the probability of picking a purple marble.
- A.
Likely
- B.
Unlikely
- C.
Certain
- D.
Impossible
Correct Answer
B. UnlikelyExplanation
The probability of picking a purple marble from the jar is unlikely because there are only 31 marbles in total and 23 of them are blue. This means that there are fewer purple marbles in the jar compared to blue marbles, making it less likely to select a purple marble.Rate this question:
-
- 14.
A number from the following list is chosen at random: 33, 64, 9, 1, 81, and 9. Describe the probability of picking an odd number.
- A.
Likely
- B.
Unlikely
- C.
Certain
- D.
Impossible
Correct Answer
A. LikelyExplanation
The probability of picking an odd number is likely because out of the given list of numbers, 33, 9, and 81 are odd numbers. Since there are more odd numbers than even numbers in the list, it is more likely to randomly select an odd number.Rate this question:
-
- 15.
There are 35 red popsicles in the box. Describe the probability of picking a red popsicle.
- A.
Likely
- B.
Unlikely
- C.
Certain
- D.
Impossible
Correct Answer
C. CertainExplanation
The probability of picking a red popsicle is certain because it is stated in the question that there are 35 red popsicles in the box. Therefore, it is guaranteed that if you pick a popsicle from the box, it will be red.Rate this question:
-
- 16.
You are in an apple bobbing contest. There are 18 apples in the tub: 9 are red, 6 are green, and 3 are yellow. If you close your eyes and bob for an apple, what color apple are you most likely to get?
- A.
Red
- B.
Green
- C.
Yellow
- D.
The chances are all the same
Correct Answer
A. RedExplanation
In this apple bobbing contest, there are a total of 18 apples in the tub. Out of these, 9 are red, 6 are green, and 3 are yellow. Since there are more red apples than any other color, the chances of getting a red apple are higher compared to green or yellow apples. Therefore, you are most likely to get a red apple when you close your eyes and bob for an apple.Rate this question:
-
- 17.
Write the probability of spinning each letter.
- 18.
Miriam put 10 marbles in a paper sack. Six of the marbles were black, three were gray, and one was white. Miriam closed her eyes and took one marble out of the sack. Is it certain, likely, unlikely, or impossible that the marble she picked was white?
- A.
Certain
- B.
Likely
- C.
Unlikely
- D.
Impossible
Correct Answer
C. UnlikelyExplanation
It is unlikely that the marble Miriam picked was white because there were only 10 marbles in total and only one of them was white. Therefore, the probability of picking the white marble is low compared to the other colors.Rate this question:
-
- 19.
A group of children tossed a coin 10 times. The coin landed on heads 4 times and tails 6 times. Which tally chart show these tosses?
- A.
A
- B.
B
- C.
C
- D.
D
Correct Answer
B. BExplanation
Tally chart B shows the tosses of the coin. The tally marks in B represent 4 heads and 6 tails, which matches the given information that the coin landed on heads 4 times and tails 6 times.Rate this question:
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- 20.
Josie, Mary, and Susana were tossing a coin to see how many times it would land on tails. They each tossed the coin 10 times recorded their results with tally marks.
- A.
A
- B.
B
- C.
C
- D.
D
Correct Answer
A. A -
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