The brand manager for a brand of toothpaste must plan a campaign designed to increase brand recognition. He wants to first determine the percentage of adults who have heard of the brand. How many adults must he survey in order to be 95​% confident that his estimate is within five percentage points of the true population​ percentage? Complete parts​ (a) through​ (c) below.

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Q: Why is it ideal that you report underlying frequencies when you are reporting percentages?

A: A frequency is the number of participants or cases; its symbol is the weird F. The symbol of the…

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Q: An investor has an account with stock from two different companies. Last year, his stock in Company…

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Q: Angela took a general aptitude test and scored in the 88th percentile for aptitude in accounting.…

A: Given that Angela took a general aptitude test and scored in the 88th percentile for aptitude in…

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Q: The cost of a box of granola bars is $2.49 in 2001. How much would you pay for the granola bars in 4…

A: In 2001, cost of a box of granola bars is $2.49 and it is expected that average increase in consumer…

Q: An investor has an account with stock from two different companies. Last year, his stock in Company…

A: NOTE: Refresh your page if you can't see any equations. . company A was worth $5600 and its worth…

Q: From the table below, give the percentile of a value of 61 (rounded to the nearest whole percentile)…

A: To find pth percentile use following formula. Here x = 61

Q: What percent of scores are below a T score of 56?

A: Given, T score is 56. Now,

Q: A multiplier of 1.85 corresponds to a percentage increase or decrease of what​ percent?

A:

Q: A national chain of department stores ranks its 1,000,000 salespeople by the monetary value of their…

A: Given Data: Boris sales at 89th percentile Melissa's sales at 73rd percentile

Q: Angela took a general aptitude test and scored in the 86th percentile for aptitude in accounting.…

A: Percentiles:If the elements in the data set are arranged in ascending order of magnitude, then the…

Q: Angela took a general aptitude test and scored in the 92nd percentile for aptitude in accounting.…

A: In the question given, Angela has scored in the 92nd percentile for aptitude in accounting.

Q: The Curdle Dairy Co. wants to estimate the proportion p of customers that will purchase its new…

A: Sample size: The minimum sample size for the desired confidence level, α with a given margin of…

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Q: Angela took a general aptitude test and scored in the 84th percentile for aptitude in accounting.…

A: Obtain the percentage of the scores that were at or below her score. From the information, given…

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A: Shelly earns $4,998 per month. She wants to rent an apartment for $2,340.

Q: Kevin scored at the 60th percentile on a test given to 9780 students. How many students scored lower…

A: Given that the percentile of Kevin is 60.This means 60% of the students will have score lower than…

Q: IS all stock in Company A was worth $6600 and his stock in Company B was worth $3500. The stock in…

A: Explanation and solutions is given below....

Q: When designing a study to determine this population proportion, what is the minimum number of…

A: Solution: From the given information, confidence level is 0.95 and E=0.02.

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Q: From the table below, give the percentile of a value of 106 (rounded to the nearest whole…

A: First arrange the given numbers in non descending order.

Q: Shareholders in an electronics company were informed that the company's market share increased from…

A: Given ,  Shareholders in an electronics company were informed that the company's market share…

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Q: Angela took a general aptitude test and scored in the 83rd percentile for aptitude in accounting.…

A: Solution: From the given information, Angela scored in the 83rd percentile for aptitude in…

Q: A typical middle-income household in 1980 earned $30,983. A similar household in 2009 earned…

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Q: WHAT IS THE T-SCORE FOR A SCORE OF 90

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A: In 2002, the number of accidents were 5120.To find the number of accidents in 2006

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Q: Susice The following chart shows the average amount of money spent by a group of families during uie…

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Q: Sarah works for the Urban Pollination Project at UW. Five years ago, 25% of urban gardens were…

A: From the provided information, 25% of urban gardens were visited by native bees that is p = 0.25 The…

Q: the brand manager for a toothpaste brand must plan a campaign designed to increase brand…

A: The error is ±1.96×p1-pn=0.05assume p=0.5. This will give the most conservative estimate square on…

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A: Given Information: Aisha has a remarkable skill with coin-tossing. Out of ten coin tosses, her coin…

Q: Express the rise of a good price from 400 to 500 as a percentage O a 20% O b. 25% O . 5% O d. 12.5%

A: Given, The rise of goods price from 400 to 500  We have to express the rise in percentage .

Q: (a) Of all people in the United States who have type B blood, what percent are Rh positive? (Round…

A: Given: Blood type O+ O- A+ A- B+ B- AB+ AB- Occurrence 36 7 34 6 11 2 3 1

Q: The loss profit for grapefruit is 47%. What is the yield percent?

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Q: A typical middle-income household in 1980 earned $38,405. A similar household in 2009 earned…

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Q: The percentage of scores falling below a z-score of .65

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Q: Angela has a monthly gross income of $3,000 and her expenses are $1,200. What is her back-end ratio?

A: The solution is given as follows

Q: The junior class manages a paper recycling drive for the high school. As the above table shows, each…

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Q: The brand manager for a brand of toothpaste must plan a campaign designed to increase brand…

A: Solution: From the given information, confidence level is 0.95 and E=0.05. Since the proportion is…

Q: 2. On a reading test, Amelia's score of 455 was higher than the scores of 4256 of the 7210 students…

A: Obtain the percentile for the Amelia’s score. The percentile for the Amelia’s score is obtained…

Q: at was the markup as a percentage of the selling price? % o two decimal places

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Q: Angela took a general aptitude test and scored in the 85th percentile for aptitude in accounting.…

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Q: I am in mathmatics for liberal arts one and I am wondering what is the formula to find the percent…

A: To define the percentage of change in a variable quantity

Q: jocelyn estimates that a piece of wood measures 5.5 cm. if it actually measures 5.62 cm, what is the…

A: Given : Jocelyn estimates that a piece of wood is 5.5 cm. The actual measures 5.62 cm. The error is…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.