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Concept explainers
(a)
To explain: whether the test will be on Friday or not
(a)
![Check Mark](/static/check-mark.png)
Answer to Problem 8E
Based on these two surveys, it is predictedthat senate will vote to override the veto.
Explanation of Solution
Given:
Number of “YES” responses | Percent of votes | |
10 | 8 | 80% |
20 | 12 | 60% |
30 | 16 | 53.3% |
40 | 18 | 45% |
Calculation:
From the question statement it is clear that there are only two choices either test will be on Friday or on Monday. Thus the test will be on Friday if more than 50% of student's votes in favor of having test on Friday.
The first two surveys show that more than 50% votes, which are enough to have test on Friday.
So, based on these two surveys, it is predictedthat test will be on Friday.
Conclusion:
Therefore, based on these two surveys, it is predictedthat test will be on Friday.
(b)
To explain: whether the test will be on Friday or not
(b)
![Check Mark](/static/check-mark.png)
Answer to Problem 8E
Based on these two surveys, it is predictedthat test will not be on Friday.
Explanation of Solution
Calculation:
As the sample size increases, the estimated percent of votes approaches 45%, which is not enough to have test on Friday.
So, based on these two surveys, it is predictedthat test will not be on Friday.
Conclusion:
Therefore, based on these two surveys, it is predictedthat test will not be on Friday.
Chapter 11 Solutions
Big Ideas Math A Bridge To Success Algebra 2: Student Edition 2015
- dent Application X GA spinner is divided into five cox | + 9/26583471/4081d162951bfdf39e254aa2151384b7 A spinner is divided into five colored sections that are not of equal size: red, blue, green, yellow, and purple. The spinner is spun several times, and the results are recorded below: Spinner Results Color Frequency Red 5 Blue 11 Green 18 Yellow 5 Purple 7 Based on these results, express the probability that the next spin will land on purple as a fraction in simplest form. Answer Attempt 1 out of 2 Submit Answer 0 Feb 12 10:11 Oarrow_forward2 5x + 2–49 2 x+10x+21arrow_forward5x 2x+y+ 3x + 3y 4 6arrow_forward
- Calculați (a-2023×b)²⁰²⁴arrow_forwardA student completed the problem below. Identify whether the student was correct or incorrect. Explain your reasoning. (identification 1 point; explanation 1 point) 4x 3x (x+7)(x+5)(x+7)(x-3) 4x (x-3) (x+7)(x+5) (x03) 3x (x+5) (x+7) (x-3)(x+5) 4x²-12x-3x²-15x (x+7) (x+5) (x-3) 2 × - 27x (x+7)(x+5) (x-3)arrow_forward2 Add the rational expressions below. Can you add them in this original form? Explain why or why not. 3x-7 5x + x² - 7x+12 4x-12 Show all steps. State your least common denominator and explain in words your process on how you determined your least common denominator. Be sure to state your claim, provide your evidence, and provide your reasoning before submitting.arrow_forward
- carol mailed a gift box to her sister the boxed gift weighed a total of 2 pounds the box alone weighed 13 ounces what was the wright of the giftarrow_forwardDirections: Use the table below to answer the following questions and show all work. Heights of Females 50.0 51.5 53.0 53.5 54.0 1. What is the average female height? 2. What are all the differences from the mean? 3. What is the variance for the female heights? 4. What is the standard deviation of the heights of the females? 5. What does the standard deviation found in number 4 represent? Write your answer in complete sentences.arrow_forward135 metr uzunlikdagi simni 6:3 nisbatda qismlarga am eatingarrow_forward
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