Assume the random variable x is normally distributed with mean u = 87 and standard deviation o = 5. Find the indicated probability. P(x<78) P(x<78) = (Round to four decimal places as needed.)

Q: Assume the random variable x is normally distributed with mean u= 82 and standard deviation a =5.…

A: From the provided information, Mean (µ) = 82 Standard deviation (σ) = 5 X~N (82, 5)

Q: complete the probabílity dístríbution. rable for the number 'oF textbooks Purchased by a Class Of 23…

A: For the given data Find Relative frequency Expected value =? Standard deviation = ?

Q: Assume the random variable x is normally distributed with mean u = 84 and standard deviation o = 5.…

A: Given that, Mean = 84 Standard deviation = 5

Q: Assume the random variable x is normally distributed with mean μ=89 and standard deviation σ=5.…

A: Given X is normal Distributed with mean µ = 89.0 and standard deviation σ = 5.0 now will using…

Q: Assume the random variable x is normally distributed with mean u = 50 and standard deviation o = 7.…

A: From the given information, Mean =50 and standard deviation =7.

Q: Assume the random variable X is normally distributed with mean u = 50 and standard deviation o = 7.…

A: Determine the value of the 89th percentile.   The value of the 89th percentile is obtained below as…

Q: Let x denote the time it takes to run a road race. Suppose x is approximately normally distributed…

A: The mean and standard deviation are 190 and 21, respectively.

Q: The 7th percentile is

A: Here given , mean =  42 standard deviation =  6 X follow normal distribution with parameter mean =…

Q: Assume the random variable x is normally distributed with mean μ = 85 and standard deviation a=4.…

A: The random variable x is normally distributed.  Mean = μ = 85 Standard deviation = σ = 4

Q: Assume the random variable x is normally distributed with mean μ=86 and standard deviation σ=5. Find…

A:

Q: Assume the random variable x is normally distributed with mean μ=88 and standard deviation σ=5. Find…

A:

Q: Assume the random variable x is normally distributed with mean u= 80 and standard deviation o = 5.…

A:

Q: Assume that the readings at freezing on a batch of thermometers are normally distributed with a mean…

A:

Q: Assume the random variable x is normally distributed with mean μ=82 and standard deviation σ=5. Find…

A:

Q: Assume the random variable x is normally distributed with mean u= 82 and standard deviation o =4.…

A: The random variable X follows normal distribution. The population mean is 82. The population…

Q: Assume the random variable x is normally distributed with mean μ = 80 and standard deviation o=4.…

A: Given that  Mean = 80 , Standard deviation = 4

Q: Assume the random variable x is normally distributed with mean μ = 85 and standard deviation o=5.…

A: The population mean is 85 and the population standard deviation is .

Q: Assume the random variable x is normally distributed with mean μ = 80 and standard deviation o=4.…

A: givendata normal distributionμ = 80σ = 4P(68&lt;x&lt;77) = ?

Q: P(65<x<74) P(65<x<74)= (Round to four decimal places as needed.)

A: X~N( μ , ?)μ=80     , ?=5Z-score =( x - μ )/?

Q: Assume the random variable x is normally distributed with mean u = 85 and standard deviation o = 4.…

A:

Q: Assume the random variable x is normally distributed with mean = 90 and standard deviation a=5. Find…

A: The following information has been given: μ=90σ=5 We need to compute Px&lt;83.

Q: Assume the random variable x is normally distributed with meanu=81 and standard deviation o = 4.…

A:

Q: Assume the random variable x is normally distributed with mean = 50 and standard deviation o=7. Find…

A: Given:

Q: et x denote the time it takes to run a road race. Supposex is approximately normally distributed…

A:

Q: Assume the random variable x is normally distributed with mean u = 90 and standard deviation o = 4.…

A: Given that  Let X denotes random variable having distribution Normal with mean =90 and standard…

Q: Assume the random variable x is normally distributed with mean μ=85 and standard deviation σ=4. Find…

A: Answer:- Assume the random variable x is normally distributed with mean μ=85 and standard deviation…

Q: Assume the random variable x is normally distributed with mean μ=84 and standard deviation σ=5.…

A:

Q: Assume the random variable x is normally distributed with mean μ = 85 and standard deviation o=4.…

A: The mean is  and standard deviation is .

Q: Assume the random variable x is normally distributed with mean equals=84 and standard deviation…

A: z-score:A z-score is a standard score that describes the number of standard deviation away from its…

Q: Assume the random variable x is normally distributed with mean u = 85 and standard deviation o = 5.…

A: Given: μ=85σ=5 The z-score is given by, z=X-μσ

Q: Assume the random variable x is normally distributed with mean μ = 82 and standard deviation σ = 5.…

A: X~N(μ=82,σ=5) and P(X&lt;78)=?

Q: Assume the random variable x is normally distributed with mean µ = 88 and standard deviation o = 4.…

A: Mean = 88Standard deviation = 4

Q: Assume the random variable x is normally distributed with mean μ = 50 and standard deviation o = 7.…

A:

Q: Assume the random variable x is normally distributed with mean μ=81 and standard deviation σ=5. Find…

A: Mean(μ)=81standard deviation(σ)=5

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.