The physical plant at the main campus of a large state university recieves daily requests to replace florecent lightbulbs. The distribution of the number of daily requests is bell-shaped and has a mean of 52 and a standard deviation of 9. Using the empirical rule (as presented in the book), what is the approximate percentage of lightbulb replacement requests numbering between 52 and 79? Do not enter the percent symbol. ans =  %

Q: The number of plants pollinated by bees follows a normal distribution with a mean of 6,543 plants…

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Q: The physical plant at the main campus of a large state university recieves daily requests to replace…

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Q: Es On their website, a property management company states that the mean monthly rent for apartments…

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Q: The physical plant at the main campus of a large state university recieves daily requests to replace…

A: Bell shaped curve

Q: The physical plant at the main campus of a large state university recieves daily requests to replace…

A: We first find the z-score of 45 and 57.z score of 45=45-456=0z score of 57=57-456=2

Q: When Nachelle runs the 40o meter dash, her finishing times are normally distributed with a mean of…

A: The empirical rule for normal distribution states that 95% of data lies within 2 standard deviations…

Q: The physical plant at the main campus of a large state university recieves daily requests to replace…

A:

Q: Suppose the scores of students on an exam are normally distributed with a mean of 276 and a standard…

A: X~N(μ= 276 , σ= 59 ) μ= 276 , σ= 59 Formula for Z-score Z=(X-μ)/σ

Q: Suppose the scores of students on an exam are normally distributed with a mean of 458 and a standard…

A: A Z-score is a numerical measurement that describes a value's relationship to the mean of a group of…

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Q: In a mid-size company, the distribution of the number of phone calls answered each day by each of…

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Q: The physical plant at the main campus of a large state university recieves daily requests to replace…

A: Empirical rule  P(-3σ+μ<X+3σ+μ)=99.73%  P(-2σ+μ<X+2σ+μ)=95% P(-σ+μ<X+σ+μ)=68%

Q: A company finds that for its 12 ounce cans of soda, the actual amount of soda inside is Normally…

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Q: A study determined the average amount a person spends on candy during Halloween is $80 with a…

A: Here, μ=80 and σ=15

Q: The physical plant at the main campus of a large state university recieves daily requests to replace…

A: Given Information: The distribution of number of daily requests is bell shaped and has a mean of 55…

Q: The physical plant at the main campus of a large state university recieves daily requests to replace…

A: Given information : Mean = x = 46 Standard deviation = σ = 7

Q: Assume the salaries of elementary school teachers in the US are normally distributed with a mean of…

A: We bave to find given probability.

Q: A candy store sells about 8 million pieces of candy per day with a standard deviation of 300,000…

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Q: The physical plant at the main campus of a large state university recieves daily requests to replace…

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Q: For a recent "Smartest State in America" article, a journalist wants to know how many people with a…

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A: μ = 800 σ = 190

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Q: The heights of Canadian men are normally distributed with a mean of 71.4 inches and a standard…

A: The 68-95-99.7% (Empirical) Rule: For a normal distribution, the empirical rule (68-95-99.7% Rule)…

Q: The physical plant at the main campus of a large state university recieves daily requests to replace…

A: We have given that the distribution of the number of requests is bell-shaped and has a mean of 38…

Q: The physical plant at the main campus of a large state university recieves daily requests to replace…

A: Given: According to empirical rule (68-95-99.7 rule). 44 50 56 62 68 74…

Q: The weights of oranges in a harvest are normally distributed, with a mean weight of 150 grams and…

A: From the provided information, Mean (µ) = 150 Standard deviation (σ) = 10 Let X be a random variable…

Q: The physical plant at the main campus of a large state university recieves daily requests to replace…

A: Let "X" be the number of daily requests for lightbulb replacement. According to the empirical rule…

Q: In a mid-size company, the distributl the 12 receptionists Is bell-shaped and has a mean of 43 and a…

A: Z = X - μσ ________________________ Given , μ = 43 , σ = 4

Q: The average income of a graduate from the University of Eastern West Virginia is $50,000 per year,…

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Q: Suppose a locally owned coffee shop had an average daily revenue of $4,191 before some ordinance was…

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Q: The physical plant at the main campus of a large state university recieves daily requests to replace…

A: Given: μ=63σ=5

Q: A livestock company reports that the mean weight of a group of young steers is 1130 pounds with a…

A:

Q: A livestock company reports that the mean weight of a group of young steers is 1121 pounds with a…

A: From the provided information, Mean (µ) = 1121 pounds Standard deviation (σ) = 79 pounds Let X be a…

Q: In an article about the cost of health care, Money magazine reported that a visit to a hospital…

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Q: The average wage for bank managers in a certain city is $91,900 per hour with a standard deviation…

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Q: The physical plant at the main campus of a large state university recieves daily requests to replace…

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Q: A recent report indicates that 2-year-old children from the well-educated suburban families watched…

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Q: The physical plant at the main campus of a large state university recieves daily requests to replace…

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Q: The amount of time a certain brand of light bulb lasts is normally distributed with a mean of 1800…

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Q: The physical plant at the main campus of a large state university recieves daily requests to replace…

A: Given that, Mean = 46 Standard deviation = 11

Q: The combined math and verbal scores for students taking a national standardized examination for…

A: Given: Mean of combined scores of students = 880 Standard deviation of combined scores of students =…

Q: The physical plant at the main campus of a large state university recieves daily requests to replace…

A:

Q: The combined math and verbal scores for students taking a national standardized examination for…

A:

Q: The physical plant at the main campus of a large state university recieves daily requests to replace…

A: From the provided information, Mean (µ) = 63 Standard deviation (σ) = 8 Using empirical rule,…

Q: The physical plant at the main campus of a large state university recieves daily requests to replace…

A:

Q: The physical plant at the main campus of a large state university recieves daily requests to replace…

A: Given that, Mean = 46 Standard deviation = 7

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.