A random variable, X, has a normal distribution with mean equal to 1000 and standard deviation equal to 100. If The value of X that has 25.78% of the area to the right is: O 1039 O 1065 O 100 O 961

Q: In a standard normal distribution, P(Z > 1.09) = 0.1379 0.9713 0.0287 0.8621

A: Given: P(Z>1.09)

Q: For a Normal Distribution with mu equal to five and sigma equal to two, where does approximately…

A: Normal distribution is given.μ=5σ=2

Q: If the Z-score is 1.96, and X has a normal distribution with mean 60 and standard deviation 6, what…

A: Given that, Mean = 60 Standard deviation = 6 Z score = 1.96

Q: Given a normal distribution with μ = 30 and σ = 6, the area under the normal curve between x1 = 32…

A:

Q: Given a normal distribution with mean 30 and standard deviation 5, the value of x that has a 40.52%…

A: Q4) Given data, Mean=30 sd=5 P(X<x)=40.52% P(X<x)=0.4052 P(Z<-0.24)=0.4052 z=-0.24

Q: The amount of coffee in a can has a mean of 350g. The standard deviation is 5g. Use the normal…

A: Given the mean is, μ=350 g The standard deviation is, σ= 5 g

Q: A random variable, X, has a normal distribution with mean equal to 1000 and standard deviation equal…

A: Given data,μ=1000σ=100P(X>x)=0.6517x=?

Q: Below is a graph of a normal distribution with mean u = -1 and standard deviation o = 2. The shaded…

A:

Q: A random variable, X, has a normal distribution with mean equal to 1000 and standard deviation equal…

A: According to the given information, we have Mean = 1000 Standard deviation = 100

Q: In a standard normal distribution, the range of values of z is from minus infinity to infinity -1 to…

A: In standard normal distribution the mean and standard deviation are 0 and 1 respectively. In normal…

Q: The mean number of milligrams of sodium in a certain brand of dinner is 540mg with a standard…

A: Given Mean=540 Standard deviations=48 Sample size=64

Q: In a normal distribution whose mean=2 and standard deviation 3, (a) find the value of the variate…

A:

Q: A random variable, X, has a normal distribution with mean equal to 1000 and standard deviation equal…

A: The random variable X follows normal distribution. The population mean is 1000. The population…

Q: In a standard normal distribution, the area to the left of z = 1.02 is?

A: Solution: The area under the curve to the left Z = 1.02 is: P(Z<1.02) = 0.8461

Q: Find the probability that corresponds to the given shaded area in the standard normal distribution…

A: Given that,

Q: 4. Given a standart normal distribution, find value of k such that P(-0.93 < Z < k) = 0.7235.

A: Let X be a continuous random variable and is said to be normally​ distributed with a mean of μ and a…

Q: A random variable, X, has a normal distribution with mean equal to 1000 and standard deviation equal…

A: According to the provided information, we haveMean = 1000Standard deviation = 100

Q: For a standard normal distribution, find c if P(z < c) = 0.1035 с —

A:

Q: For a standard normal distribution, find: P(z < -1.27) Express the probability as a decimal rounded…

A:

Q: Suppose Z is a random variable that follows the standard normal distribution. d) Find z0.06. e) Find…

A:

Q: Suppose the random variable X follows a normal distribution with mean 30 and variance 81. Then the…

A: According to the given information, we have Mean = 30 Variance = 81

Q: For a standard normal distribution, what is the probability that z is less than -2.777 O A. 0.9972…

A: From the provided information, The distribution is standard normal and the z value is less than…

Q: Suppose Z follows the standard normal distribution. Use the calculator provided, or this table,…

A: Answer:- Given  the standard normal distribution. Determine the value of c so that the following is…

Q: In sampling from a normal distribution with variance 25, how large mus interval for the mean is…

A: The sample size can be calculated as: n=z×σE2 Here, z = desired confidence level E = The allowable…

Q: Find the area to the left of x = 36 under a normal distribution curve with μ = 44 and o = 4.

A: The mean and standard deviation are 44 and 4, respectively.

Q: For a standard normal distribution, the probability of obtaining a z value between –1.9 and 1.7 is

A: To find the probability of obtaining a z value between -1.9 and 1.7: where, -1.9 and 1.7 are the two…

Q: Suppose Z follows the standard normal distribution. Use the calculator provided, or this table, to…

A: Given: Z follows a standard normal distribution That is, Z~N0,1

Q: Suppose X is a random variable with standard normal distribution. And P(X>k)=0.8413 Find the value…

A: The random variable X follows standard normal distribution. It is given that, PX&gt;k=0.8413. Now,…

Q: For a standard normal distribution, the probability of Z is at most 0.50 is Select one: a. 0.6915 b.…

A: P(Z&lt;0.50)=?

Q: A random variable, X, has a normal distribution with mean equal to 1000 and standard deviation equal…

A: According to the given information, we haveMean = 1000Standard deviation = 10065.17% of the area to…

Q: Let X be the random variable of the normal distribution with mean (u) and standard .deviation (o) If…

A:

Q: The area under the standard normal curve between 1 and 2 standard deviations (both sides) in the…

A:

Q: Suppose that the length of long-distance phone calls, measured in minutes, is known to have an…

A: Note: Since you have posted a question with multiple subparts, we will solve the first three…

Q: Suppose the random variable Z follows a standard normal distribution. Then the value of P(Z > -1.00)…

A: The z value is -1.00.

Q: For a standard normal distribution, find c if P(z < c) = 0.7719

A: We know that,  If x is random variable from the standard normal distribution with mean (mu) = 0 and…

Q: Given a normal distribution with µ = 50 and o = 10, find the probability that X assumes a value…

A: Solution :  Given that , μ=50σ=10 To find        P(45&lt;X&lt;62)

Q: In a certain normal distribution, find the standard deviation o when u = 50 and 10.56% of the area…

A:

Q: For the standard normal distribution, the mean is: O 1 and the standard deviation is zero O 0.5 and…

A: Solution: A continuous random variable X is said to have normal distribution if it's pdf is given by…

Q: Let X be a random variable of a normal distribution with mean 38 and standard deviation S. if x =15,…

A: Given data,Mean μ=38sd σ=5If X=15Z=?

Q: Below is a graph of a normal distribution with mean u = -2 and standard deviation o = 3. The shaded…

A:

Q: Assume that x has a normal distribution with the specified mean and standard deviation. Find the…

A: From the given information,   Mean = 20 Standard deviation = 3

Q: Given a random sample of size 25 from a normal distribution, find k such that (a) P(- 1.711 <T<k) =…

A: Given that random sample of size 25 from a normal distribution with mean μ then the random variable…

Q: A normal distribution has a mean of 33 and a standard deviation of 4. Find the probability that a…

A:

Q: A random variable, X, has a normal distribution with mean equal to 1000 and standard deviation equal…

A: The random variable X follows normal distribution. The population mean is 1000. The population…

Q: a population iS modelled by the standard normal distribution curve and z is a randomly selected…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub- parts for…

Q: In a normal distribution, what is the area to the right of z=2.03

A: Given that, The z value is z=2.03.

Q: For a standard normal distribution, the probability of obtaining a z value between -1.9 to 1.7 is…

A: Either use Z - table or Excel function =NORMSDIST(Z)

Q: If we know that a normal distribution has a mean of u- 100 with 20, and if one score is randomly…

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: Given that Z is a standard normal random variable in a standard deviation, what is the value of Z if…

A: Let z be the random variabe which is normally distributed with mean,u=0 and standard deviation,σ=1

Q: In a standard normal distribution, the range of values of z is from

A: For above 5. ASWSBE14 6.TB.2.015 The range of values of z is always between minus infinity and…

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.