The area under a normal curve distribution is equal to 1

Q: Find the area under the curve that is outside of two standard deviations from the mean.

A:

Q: Find the z-scores having an area of  0.7456 between them in a standard normal distribution

A: We have to find the z scores such that  P(-z < Z < z) = 0.7456

Q: In standard normal distribution, the area to the right of z = –.78 is:

A: Suppose,  Z ~ N(0,1) We know the area to the right of z is represented by , P(Z>z) Here, z = -.78…

Q: The area under the standard normal distribution between 0 and 2 is twice the area between 0 and 1.…

A: Given statement is False.

Q: Find the area between.x = 18 and .x = 23 under a normal distribution curve with μ = 20 and o = 4.…

A: The mean and standard deviation are 20 and 4, respectively.

Q: In a standard normal distribution, what is the area under the graph for z>0? Explain.

A: Normal distribution:A random variable X is said to follow a normal distribution if the probability…

Q: Find the numerical value of the area under the standard normal curve that is above the mean.

A: Given:  Random variable x frim standard normal distribution to find area to the right of mean of x…

Q: The total area under the normal distribution curve is equal to 0.95 O True O False

A: The statement given is false.

Q: What is the area under the standard normal distribution curve between z= 1.50 and z = 2.50?

A: Given that, z= 1.50 and z = 2.50

Q: The area under the normal curve is 10. Select the correct response: O True False

A: Hey there! Thank you for posting the question. Since there are multiple questions posted, we will…

Q: ) Consider a standard normal distribution, what is the area under the curve if *z is more than or…

A:

Q: Find the area in the right tail more extreme than  z⁢= 2.27 in a standard normal distribution.

A: P(Z > 2.27) = 1- P(Z < 2.27) = 1 – 0.988396 =  0.011604 P(Z < 2.27)  = 0.988396 (From Excel…

Q: The z-score that has an area of 0.88 under the standard normal curve and to its right is

A:

Q: find is the score of 75% of the area under the standard normal distribution curve lies to the left…

A: GivenThe area under the standard normal distribution curve lies to the left of75% is

Q: Find the proportion under the areas under the normal curve below 0.3σ

A: Suppose, X is normal distribution with mean µ and variance σ2 . So, X ~ N(µ, σ2) Hence, Z = X - µσ ~…

Q: What is the area under the standard normal distribution curve between  z=1.50 and z=2.50

A: We have to find the area of the normal curve between z = 1.50 and z = 2.50

Q: What is the area under the normal curve if Z>1.08?

A: To find area under the normal curve if Z>1.08 That is P(Z>1.08)

Q: According to Standard Normal Distribution, What is the Z-value if the area between -Z and Z is 0.7?…

A:

Q: Find the​ Z-scores that separate the middle 50​% of the distribution from the area in the tails of…

A: We have to find the Z-scores that separate the middle 50​% of the distribution from the area in the…

Q: Find the area under the normal curve to the left of z equals -2 plus the area under the normal curve…

A:

Q: If the area associated with z=1.44 is 0.425 in the Z-table, find the area (in square units) of the…

A: Answer - If the area associated with z = 1.44  is   0.425.                 i.e   P( 0 < z <…

Q: Find the area to the right of x=34 under a normal distribution curve with μ=15 and σ=8. Round your…

A: Given data ; Mean = 15: Standard deviation= 8

Q: Find the​ z-scores that separate the middle 20​% of the distribution from the area in the tails of…

A:

Q: Find area to the right of 2 for standard normal distribution.b

A: we have to find right of 2.......for standard normal distribution...

Q: Find the​ z-score such that the area under the standard normal curve to the left is 0.15.

A: Here we want to find Z score such that area under the standard normal curve to the left is 0.15.

Q: What area is under the standard normal distribution curve between z=0 and z=0.28

A: The area corresponding to z value 0 is 0.5 calculated by Excel command NORM.S.DIST (0, TRUE) The…

Q: The area under the standard normal distribution between -1 and 1 is twice the area between 0 and 1.…

A:

Q: Determine the area of under the Normal Curve for 2≤-1.1. -1.1 area=[a]

A: Let Z be the random variable from Normal distribution then we will find the area under normal curve…

Q: The area under the Normal Distribution equals infinity 10 O 1 O 1

A: The normal distribution is a bell-shaped symmetric distribution with equal values of the mean, mode,…

Q: Find the area to the right of the z-score 0.41 under the standard normal curve.

A: The value of z score less than 0.41 is 0.6591 which is highlighted in below table.

Q: find the area under the standard normal distribution curve. To the right of Z = 0.37

A:

Q: z-score such that the area under the standard normal curve to the right is 0.15.

A: Given that  The area to the right of z score is 0.15   We know that  Total area under the curve = 1…

Q: According to Standard Normal Distribution, What is the value of z if the area between -z and z is…

A:

Q: what is the area under a normal curve less than 1.75?

A: To find: what is the area under a normal curve less than 1.75?

Q: A region to the left of the y-axis under the standard normal distribution curve will have a negative…

A: For the standard normal distribution, the mean is 0 and the standard deviation is 1.  The mean is…

Q: The area under the standard normal curve that lies to the left of a z-score is always strictly…

A: The area under the standard normal curve represents the probability.   The probability will always…

Q: in a normal distribution is 0.122, what is the area to the right of x?

A: To find the probability value, use the standard normal table.

Q: Under the standard normal curve, the area above the mean is

A:

Q: what is the total area under the normal curve equal?

A:

Q: What is the area under a standard normal curve to the right of 0?

A: The area under a standard normal curve to the right of 0 can be written as:P (Z > 0) = 1 – P (Z…

Q: Find the​ z-scores that separate the middle 48​%of the distribution from the area in the tails of…

A: Computation of probability of the area above and below the 48% of the distribution from the…

Q: Find the area under the standard normal distribution curve

A: The z-scores are -1.46 and -1.98.

Q: Find z score such that 20% of the area under the standard normal distribution curve lies to the…

A:

Q: Find the area under the standard normal distribution curve.

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: Fact: The region under the standard normal curve that lies to the left of −1.46 has an area of…

A: a) P(Z >-1.46) = 1 - P(Z <-1.46) P(Z >-1.46) = 0.9279   b)P(Z >1.46) = P(Z<-1.46) =…

Q: Find the​ z-scores that separate the middle 30% of the distribution from the area in the tails of…

A: The value of z-scores that  separate the middle 30% of the distribution is,

Q: Find the z score such that the area under the standard normal curve to the right is 0.44

A: Given P(Z > Z) = 0.44

Q: Find the z value such that the area under the standard normal distribution curve between 0 and the z…

A: Solution-: Let, Z-be the standard normal random variable We find,  P(0<Z<0.2123)=?

Q: The area less than zero under the standard normal curve is equal one. O True False

A:

Q: find the value of the probability of the standard normal variable Z corresponding to the shared area…

A: P(Z< 1.74) = 0.9591(Using Excel = NORM.S.DIST(1.74,TRUE)) P(Z< -1.32) = 0.0934(Using Excel =…