If Z is a continuous random variable having standard normal distribution, find the value of "a" such that P(0

Q: The amount of time in minutes that it takes for a randomly selected customer to finish checking out…

A: Ans:- Given, X is a continuous uniform random variable on the interval           0 to  5  minutes.…

Q: Compute P(X) using the binomial probability formula. Then determine whether the normal distribution…

A: Given,n=40p=0.25x=15X~Binomial(n=40 , p=0.25)P(X=x)=40x0.25x1-0.2540-x ; x=0,1,2.....40

Q: Let x be a continuous random variable that has a normal distribution with μ = 80 and = 19. Assuming…

A: The mean and standard deviation are 80 and 19, respectively.

Q: Let z denote a variable that has a standard normal distribution. Determine the value z* to satisfy…

A: From the question, Given that z denote a variable that has a standard normal distribution. And  P(z…

Q: Let X be a normal random variable, with E(X)= 10, E(X²) = 200. Find the value c> 0 such that P(-20…

A:

Q: Let z denote a variable that has a standard normal distribution. Determine the value z* to satisfy…

A:

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

A: From the provided information, Mean (µ) = 50 Standard deviation (σ) = 7 X~N (50, 7)

Q: Let x be a continuous random variable that has a normal distribution with u = 84 and o = 18.…

A:

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

A: Assuming  to be a random variable with a standard normal distribution. The objective is to find the…

Q: t z be a random variable with a standard normal distribution. Find the indicated probability. (Round…

A: Let z be a random variable with a standard normal distributionX~N(0,1)μ=0σ=1P(−2.12 ≤ z ≤ −0.38) = ?

Q: Let x be a continuous random variable that is normally distributed with a mean of 56 and a standard…

A: The mean and standard deviation are 56 and 14, respectively.

Q: Let Z be the standard normal distribution random variable. (a) Find (i) P(Z = 6.00) (iii) P(Z…

A: Given thatZ is a standard normal variable.

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

A: Let Z be the random variable from standard normal distribution with mean = 0 and standard deviation…

Q: 2.0 0.4772 0.4778 0.4783 0.4788 0.4793 0.4798 0.4803 0.4808 0.4812 0.4817 2.1 0.4821 0.4826 0.4830…

A: Px≥2.09

Q: Find the probability of the following using the Standard Normal distribution (μ = 0, σ 1). a)…

A: We have to find out given probabiity..

Q: Let z denote a variable that has a standard normal distribution. Determine the value z* to satisfy…

A: The standard normal variate is calculated when a random variable follows normal distribution with…

Q: Assume that the random variable X is normally distributed, with mean μ = 90 and standard deviation…

A: It is given that  Mean, μ = 90 Standard deviation, σ = 15 Z-Score, Z = ( X - μ )/σ

Q: Assume that the random variable X is normally distributed, with mean u= 44 and standard deviation o=…

A: It is given that the mean is 44 and the standard deviation is 8.

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

A: Given P(−1.17 ≤ z ≤ 2.44)

Q: 57. We have data from 100 economists in academics, private sector, and government ncerning their…

A:

Q: Assume that the random variable X is normally distributed, with mean μ = 80 and standard deviation…

A: From the provided information, Mean (µ) = 80 Standard deviation (σ) = 16 X~N (80, 16)

Q: Suppose X is a normal random variable with mean µ and standard deviation σ. Find the number r such…

A: It is an important part of statistics . It is widely used .

Q: random vanable x is normally distributed P(x<86) P(x<86)= (Round to four decimal places as needed.)…

A: X~N( μ , ?)μ=90     , ?=4Z-score =( x - μ )/?

Q: Let z be a random variable with a standard normal distribution.  Find the indicated probability. (…

A: The probability is given from z-table as: Pz&lt;1.22=0.8888

Q: Let x be a continuous random variable that has a normal distribution with u =79 and = 19. Assuming…

A: The normal distribution is the most useful theoretical distribution for continuous variables.  For…

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

A: P(−1.75 ≤ z ≤ −1.27)

Q: Compute P(Z ≤ 0.25), where Z represents a standard normal distribution

A: The z-score can be calculated as:

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

A:

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.