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 41 and a standard deviation of 7. Using the 68-95-99.7 rule, what is the approximate percentage of lightbulb replacement requests numbering between 27 and 41? Do not enter the percent symbol. ans =

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

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

A: The normal distribution is the bell shaped distribution which is centred at the mean. This is also…

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

A: We have given  Mean=62  Standard deviation=8 X~Normal(mean=62 , Standard deviation=8)

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

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

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

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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: The probability that the observation under the normal curve lies within 1 standard…

Q: what is the approximate percentage of lightbulb replacement requests numbering between 29 and 47?

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Q: The maintenance department at the main campus of a large state university receives daily requests to…

A: Given that  The distribution of the number of daily requests is bell shaped . [ Normal ] Mean (μ) =…

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

A: Given that, Mean = 56 Standard deviation = 3

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

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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) = 53 Standard deviation (σ) = 6 Let X be a random variable…

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

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

A: Given Mean =61 Standard deviation=8

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

A: According to the given information, we have Mean = 50 and Standard deviation = 10

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

A: We first find the z scores of 52 and 79 z score of 52=52-529=0z score of 79=79-529=3 This means we…

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

A: The mean is 64 and standard deviation is 5. The one standard deviation limits are,…

Q: The maintenance department at the main campus of a large state university receives daily requests to…

A: Solution: Let X be the number of daily requests. From the given information, X follows normal…

Q: The maintenance department at the main campus of a large state university receives daily requests to…

A: Given that the number of daily requests is bell-shaped.  Let X represents the number of daily…

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

A: Given,   Mean = 56 Standard deviation = 10   The objective is to find the percentage of light bulb…

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

A: Empirical rule: The empirical rule states that, About 68% of the data values lies within 1 standard…

Q: The maintenance department at the main campus of a large state university receives daily requests to…

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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: The probability that the observation under the normal curve lies within 1 standard…

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: The maintenance department at the main campus of a large state university receives daily requests to…

A: 68-95-99.7-rule: Let X be an observation from a normal distribution, having mean µ and standard…

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

A: Given, X~Nμ,σwhere μ=56and σ=9

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

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

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

A: X is a random variable, which represents the no. of daily requests to replace florescent…

Q: The maintenance department at the main campus of a large state university receives daily requests to…

A: Given : The dist. of the no. of daily requests is bell-shaped with Mean (µ)=58 Standard deviation…

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

A: Using Empirical (or 68-95-99.7) rule, about 68% of all values fall within 1 standard deviation of…

Q: The maintenance department at the main campus of a large state university receives daily requests to…

A: Given Information: Mean (x) = 36  Standard deviation (s) = 5  The percentage of lightbulb…

Q: using the 68-95-99.7 rule what is the aproximate percentage of lightbulb replacement requests…

A: The Empirical rule or 68-95-99.7 rule can be described as Where μ represents mean and σ represents…

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

A: Determine the approximate percentage of light bulb replacement requests numbering between 36 and…

Q: The maintenance department at the main campus of a large state university receives daily requests to…

A: Givan Mean =41 Standard deviations=7

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

A: Given information : Population mean = μ = 58 Population standard deviation = σ = 8

Q: The manager of a car rental agency claims that the average mileage of cars rented is less than 8000.…

A: Given : Claim : The average mileage of cars rented is less than 8000 Sample size (n) = 5 Sample mean…

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

A: X~N(μ=48, σ=10) RESULT FOR EMPERICAL  P(-1<Z<1)= 68%  P(-2<Z<2)=95%…

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

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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, μ=35,σ=6 Empirical / 68-95-99.7  rule plot:

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

A: Solution: Let X be the number of daily requests. From the given information, X follows normal…

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 the replacement of lightbulbs. According to the…

Q: The maintenance department at the main campus of a large state university receives daily requests to…

A: Solution : 68-95-99.7 rule is also known as empirical rule.

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

A: Here mean is 54 and the standard deviation is 3. Empirical rule: According to empirical rule,…