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 62 and a standard deviation of 7. Using the 68-95-99.7 rule, what is the approximate percentage of Ilightbulb replacement requests numbering between 62 and 76?

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

A:

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

A: From the provided information, Mean (µ) = 46 Standard deviation (σ) = 6 Using empirical rule: 68% of…

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

A: The distribution of the number of daily requests with a mean of 46 and a standard deviation of 9 is…

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

A: Given: X~N(μ,σ)μ=64σ=10

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

A:

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:

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

A: Solution Given: According to empirical rule (68-95-99.7 rule) Approximately 95% of daily phone…

Q: According to a survey, only 15% of customers who visited the web site of a major retail store made a…

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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: 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…

A: Given Mean =61 Standard deviation=8

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

A:

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 life span of a car​ tire, calculated in​ miles, is normally​ distributed, with a mean of 70,000…

A: Solution: Let X be the  life span of a car​ tire, calculated in​ miles, is normally​ distributed,…

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: A sports science group claims that due to improved training methods, professional cyclists burn a…

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

A:

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

A: Given a mean of 51 and a standard deviation of 4.

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

A: Let X denotes the number of Daily requests for replacing the fluorescent light bulbs then we are…

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: 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 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:

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

A: We can use the fact that 68-95-99.7 rule suggest that within µ - 2σ and µ + 2σ 95% area of the curve…

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:

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

A:

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

A: From the given information,

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: If light bulbs have lives that are normally distributed with a mean of 2500 hours and a standard…

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

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:

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 = 63 Standard deviation = 10

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: An air condition company will spend an average of 64 minutes with a standard deviation of 19 minutes…

A:

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

A: The mean is 42 and the standard deviation of 8.

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

A: We have given that the distribution of the number of phone calls answered each day by each of the 12…

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

A: Given that ; μ = 61  ? = 7 By using the empirical rule of normal distribution.

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,…

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

A: