Use the Central Limit Theorem to find the probability of the indicated event, assuming that the distribution of the population data is unknown. The average wait time before a customer receives service at a bank on Saturdays is 17 minutes, with a standard deviation of 8 minutes. What is the probability that the average wait time for a random sample of 35 customers is over 18 minutes? Standard Normal Distribution Table P( X̄  > 18)=

Q: A normal distribution has a mean of 60 with a standard deviation of 8. If one score is randomly…

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Q: If a brisk walk at 4 mph burns an average of 300 cal per hour, find the probabilit that a person…

A:

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A:

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A:

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A: Dgg

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A:

Q: If a brisk walk at 4 mph burns an average of 300 cal per hour, find the probability that a person…

A: Given data: Mean = 300 Standard deviation  = 20 To find: The probability that a person will burn…

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A: Given

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A: The provided information is:

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Q: The Coffee Bean and Tea Leaf morning customer load follows a normal distribution with mean 46 and…

A: Solution

Q: The salaries of employees at XYZ Corporation follow a normal distribution with mean £60,000 and…

A: Note: this probability value calculated from standard normal distribution table.

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Q: The average age of AMA employees is 34 years old. Assume the data is normally distributed. If the…

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A: Given,mean(μ)=72.5standard deviation(σ)=13.0sample size(n)=40

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A: Given:    µ = 80     σ = 10

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A: Given that  Mean = μ = −4 and standard deviation σ = 2.

Q: A nutritionist asks a client to record the number of calories he consumes each day for 6 months. The…

A:

Q: he number of customers at a coffee shop per day follows a normal distribution with a mean of 3,500…

A: given data, normal distributionμ=3500σ=250probability that the coffee shop will serve more than…

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A: Given Data Population Mean,μ = 0.45 Population Standard Deviation,σ = 0.05

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A: Mean = 63.6 Standard deviation = 2.5 Sample size = 81

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A: standard normal distribution:-x~N(μ,σ2) then z=x-μσ~N(μ=0,σ2=1)               ~N(0,1)is called…

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A: Let X be the random variable   Mean=500 SD=100   X~ Normal (500, 100^2)

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A:

Q: Annual precipitation in a certain city is normally distributed with a mean of 99 inches, and a…

A: Given: standard deviation(σ) = 18 inches sample size(n) = 35 population mean(μ) = 99 inches

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A: X follows Uniform distribution (15, 25)

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A:

Q: The random variable X has a uniform distribution with values between 13 and 21. What is the mean?…

A: Given,A random variable X~U(a=13 , b=21)f(x)=1b-a; a≤x≤bf(x)=121-13f(x)=18  ;  13≤x≤21

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A: Given data, Mean=100 Sd=12 P(x>118)=?

Q: The mean clotting time of blood is 7.45 seconds with a standard deviation of 3.6 seconds. What is…

A: The normal distribution:A continuous random variable X is said to follow normal distribution if the…