"Given a standard normal distribution with mean =115 and standard deviation = 25, find P(86

Q: et X, has a normal distribution with a mean of 100 and a standard deviation of 4. the z value for X…

A: Given,μ=100σ=4x=80z=?

Q: A Normal distribution has a mean of 160 and a standard deviation of 10. Find P(X < 170) Select one:…

A:

Q: Let, X has a normal distribution with a mean of 40 and a standard deviation of 8. The z value for x…

A:

Q: A rv X has a normal distribution with o=10. If the prob is 0.8212 that it will take on a value…

A:

Q: "Given a standard normal distribution with mean =99 and standard deviation = 45, find P(X<110)."…

A: Given information- Population mean, µ = 99 Population standard deviation, σ = 45 Let, X be the…

Q: Let X follow a normal distribution with mean 5.3 and unknown standard deviation. If P(X < 11.6) =…

A: From the given information, let X follows a normal distribution with mean of 5.3 and standard…

Q: Assume that the heights of a population of adults form a normal distribution with a mean µ =69…

A: Consider that there are 12 inches in 1 foot.The provided information is:

Q: "Given a standard normal distribution with mean =119 and standard deviation 30, find P(82 < X <…

A:

Q: Ex8: Assume that the current measurements in a strip of wire follow a normal distribution with a…

A: Assume that the current measurements in a strip of wire follow a normal distribution.

Q: Suppose X has a normal distribution with a mean of 800 and a standard deviation of 50. Find the…

A: Solution: From the given information, X follows normal distribution with a mean µ=800 and a standard…

Q: A normal distribution has a mean of µ = 24 with σ = 3. What is the minimum score needed to be in the…

A: given data  normal distribution μ = 24σ = 3 to be in top 14% minimum required score = ?

Q: The playing life of a Sunshine radio is normally distributed with mean m= 600 hours and standard…

A:

Q: In a normal distribution, a data value located 1.4 standard deviations below the mean has Standard…

A: Z-Score:             It is a dimensionless quantity that is used to indicate the signed, fractional,…

Q: Given that z is the standard normal variable (with mean 0 and standard deviation 1), find (4 decimal…

A: As per our guidelines we can solve first three sub part of question and rest can be reposted.…

Q: Giventhat Z is a standard normal variable, the value z for which P(Z &lt; z)="0.2580" is=""…

A: The probability value is 0.2580.

Q: Assume that the heights of a population of adults form a normal distribution with a mean µ =69…

A: It is known that, there are 12 inches in 1 foot.The provided information are:

Q: Let X represent the full height of a certain species of tree. Assume that X has a normal probability…

A: GivenMean(μ)=171.7standard deviation(σ)=91.5sample size(n)=242

Q: Suppose X has a normal distribution with a mean of 1000 and a standard deviation of 200. Find the…

A: We have given that,  X has a normally distributed with mean (mu)= 1000 and standard deviation…

Q: Assume that ex has a normal distribution with a specify mean and standard deviation mean =18…

A: Obtain the standard z-score for the random variable X equals 30. The standard z-score for the…

Q: Find the proportion of observations from a Standard Normal Distribution N(0,1) that satisfies z…

A: It is given that z be a standard normal distribution. To find the area under the standard normal…

Q: GPAs at CCSU are normally distributed with a mean of 2.24 and a standard deviation of 0.6. Find the…

A:

Q: For a standard normal distribution, find � if P(z > c) = 0.2323 Use 2 decimal places. �=

A: given data standard normal distributionZ~N(0,1)P(z&gt;c) = 0.2323C = ?

Q: Assume z follows a standard normal distribution: a.P(X=2) b.P(X=2) d.P(2 < X < 4)

A: z follows a standard normal distribution: from z distribution table, a. P(X =2)  = P(0&lt;x&lt;Z) =…

Q: If X has normal distribution with mean 80 and standard deviation 15. Find the P(X > 90) a. 0.7734 O…

A:

Q: The random variable x represents the number of boys in a family of three children. Assuming that…

A: Note: Hi there! Thank you for posting the questions. As there are several independent questions,…

Q: Let, X has a normal distribution with a mean of 60 and a standard deviation of 4. The z-value for x…

A:

Q: et x have a normal distribution with a mean of 57.7 and a standard deviation of 4.95. The z value…

A: Solution: Let x have normal distribution with mean μ= 57.7 and standard deviation σ= 4.95.…

Q: "Given a standard normal distribution with mean =134 and standard deviation 38, find P(X>103)." A)…

A:

Q: If Z has standard normal distribution with mean 0 and standard deviation 1. Find P(Z > 1.96 ) a.…

A: The answer can be given using Z- table or excel.

Q: "Given a standard normal distribution with mean =113 and standard deviation = 43, find P(X<58)."

A: Given:  random variable x from normal with mean =113 and standard deviations=43  then find the…