Assume the random variable x is normally distributed with mean u = 80 and standard deviation o = 5. Find the indicated probability. P(x < 70) P(x < 70) =D (Round to four decimal places as needed.)

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

A: Let the random variable X follows normal distribution with mean μ=50 and standard deviation σ=7 The…

Q: Assume the random variable X is normally distributed with a mean of μ=62 and a standard deviation of…

A: Assume the random variable X is normally distributed with a mean of μ=62 and a standard deviation of…

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 z be a random variable with a standard normal distribution. Find the indicated probability.…

A:

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

A: The objective of this question is to find the probability that a random variable x, which is…

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=82 and standard deviation σ=4. Find…

A: Given the random variable x is normally distributed with mean μ = 82 and standard deviation σ =…

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=81 and standard deviation σ=5. Find…

A: It is given that, the random variable x is normally distributed with mean μ=81 and standard…

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

A: Given information Mean = mu = 88 and  Standard deviation = σ = 4  Z score formula = (x - mu)/σ

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

A: Answer- Assume the random variable x is normally distributed with meanμ=80and standard…

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=50 and standard deviation σ=7.…

A: Suppose the variable of interest is X.

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

A:

Q: The random variable x has a normal distribution with standard deviation 21. It is known that the…

A:

Q: Assume that the random variable X is normally distributed, with mean u = 52 and standard deviation 0…

A: The objective of this question is to find the probability that the random variable X, which is…

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

A: Given that the data is normally distributed with mean 85 and standard deviation 4.Mean () =…

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

A: Solution-: Let, X= be the random variable Given: μ=90,σ=4 ∴X→ N(μ=90,σ2=42) We find, P[X&lt;86]=?

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

A: We have find givan probability...

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

A:

Q: ssume that the random variable X is normally distributed, with mean r=60   and standard deviation…

A: The z-score corresponding to x =80 will be:

Q: Assume the random variable X is normally distributed with a mean = 50 and standard deviation of 0=…

A: The Z-score of a random variable X is defined as follows: Z = (X – µ)/σ. Here, µ and σ are the mean…

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

A: Solution-: Let, X-the readings at freezing on a batch of thermometers Given:  μ=0, σ=1 We want to…

Q: sume the random variable x is normally distributed with mean μ=82 and standard deviation σ=5. 1.…

A: given data, normal distribution μ=82σ=5we have to find the indicated probability.…

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

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

A: From the provided information,Mean (µ) = 84Standard deviation (σ) = 5

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

A: For stanadrd normal distribution, Mean = 0 and the stanadrd deviation = 1. Draw the normal curve…

Q: 7. Find the 81st percentile.     The 81st percentile is   ​(Round to two decimal places as​ n

A: Given that x is normally distributed with mean and SD(standard deviation) is μ=50σ=7

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

A:

Q: Assume the random variable x is normally distributed with mean μ=87 and a standard deviation σ=4…

A: Given,Mean(μ)=87standard deviation(σ)=4

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

A:

Q: A normal distribution has a mean of µ = 100 with σ = 20. If one score is randomly selected from this…

A: Consider a random variable X, which follows normal distribution, indicates the scores. It has a mean…

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.