5. What proportion of a normal distribution is located between the mean and z= -1.40?

Q: Let's assume that the height of adult women in the United States follow a normal distribution with…

A: given data  normal distributionμ = 64.5 inchesσ = 3.1 inches

Q: Identify if its true or false  For any normal distribution, the area above the mean is 0.5 or 50%

A:

Q: For the standard normal curve, what percentage of data is located between ¥-2 0 and ¥+20?

A: Note: Thank you for the question. Since notations are not clear to us, we have considered it as μ-2σ…

Q: The distribution of sample proportions tends to approximate a normal distribution. true or false?

A: The sample proportion is the number of favorable outcomes to the total number of outcomes. It is…

Q: Bernadette is studying the average height of male and female antelopes. The height of antelopes has…

A: Here we want to find the P value for Z = - 1.75

Q: Suppose you have a normal distribution with a mean of 10 and a standard deviation of 2.…

A: According to the given information, we have Given that the normal distribution with a mean of 10 and…

Q: Explain the key features of a normal distribution

A: Normal Distribution :  The normal distribution is also called as Gaussian distribution. It is made…

Q: he mean of a normal distribution corresponds to a z-score of 1.    True  False

A: A z-score is a standardized value. Its distribution is the standard normal, Z ~ N(0, 1).

Q: What percentage of a normal distribution falls between z = -1.16 and z = +1.16?

A: Standardized z-score:   The standardized z-score represents the number of standard deviations the…

Q: 15. Find the 38th percentile of the standard normal distribution.

A: Let X is a standard normal variable. It means X~ N(0,1)  Mean = 0 and standard deviation = 1

Q: State two of the main reasons for studying the normal distribution.

A: The two main reasons for studying the normal distribution are as follows:The normal distribution is…

Q: What percentage of scores in a normal distribution fall at or above a z score of 1.04?

A: given data  normal distribution percentage of scores above Z:1.04 = ?

Q: What proportion of a normal distribution is located between the mean and z= -1.56? (a) .9406 (b)…

A: Z score = -1.56

Q: 19. Sketch a normal curve for the distribution. Label the x-axis values at one, two, and three…

A:

Q: For a standard normal curve, find the z-score that separates the bottom 70% from the top 30%.

A: Answer:- Given, a standard normal curve,               Find the z-score that separates the bottom…

Q: Using the simplified version of the normal distribution, what percentage of the cases falls within 2…

A: It is given, A normal distribution with 2 standard deviation.

Q: A vertical line drawn through a normal distribution at z = +1.10 separates the distribution into two…

A: The value of Z ~N(0,1) , and is usually represented as, Z=X-μσ Now, using this form, a Z-table is…

Q: Let's assume that the height of adult women in the United States follows a normal distribution with…

A: Let X be the height of adult women in the United States. The random variable X follows a normal…

Q: For a normal distribution of negative Z score means tha

A: Z-score value is negative.

Q: Suppose you have a normal distribution with mean 110 and standard deviation 15. Approximately what…

A: Given that  Mean = M = 110 , Standard deviation = SD = 15 X ~ Normal (M = 110 , SD = 15)

Q: What are the characteristics of a normal distribution? What two characteristics make a distribution…

A: Given that  What are the characteristics of a normal distribution?   What two characteristics make a…

Q: What proportion of a normal distribution is located between the mean and z = -0.47?

A:

Q: Use the normal distribution of IQ​ scores, which has a mean of 105 and a standard deviation of13,…

A: It is given that the mean is 105 and standard deviation is 13.

Q: What proportion of a normal distribution is located between the mean and z = 2.00?

A: proportion of a normal distribution is located between the mean and z = 2.00

Q: t is the least percentage of data that falls within 2.5 standard devia

A: This Chebyshev's theorem can be applied to any type of distribution. To use Chebyshev's theorem, it…

Q: In a normal distribution, what percentage of the population lies with-in 1 standard deviation of the…

A: In a normal distribution, there are predefined percentage of the population which lies in 1 standard…

Q: What proportion of scores are above z-score of 1.0 in a normal distribution?

A: We want to find P(Z>1)= ?

Q: A vertical line drawn through a normal distribution at z = -1.30 will separate the distribution into…

A:

Q: the mean is 146, and standard deviation is 35. A score of 181 is how many z-scores above the mean?

A:

Q: The scores on a test in a particular class follow a Normal distribution with mean μ=140 and standard…

A: We have given that  Normal distribution with mean μ=140 and standard deviation σ=23 Find P(X<181)

Q: Suppose that the middle 95% of average scores in the NBA per player per game fall between 2.01 and…

A: Given that the middle 95% of average scores in the NBA per player per game fall between 2.01 and…

Q: For a population with  = 15, a raw score of X = 82 corresponds to z = -0.60.  What is the mean for…

A: Consider that the mean and standard deviation of a random variable x are µ and σ, respectively.…

Q: X is a normal variable with mean of 8 and variance of 97. What is the z-score when x = 3?

A:

Q: The mean and mode of a Normal distribution is 65.7, Then the median of the distribution is a. 75.6…

A: The mean and median of normal distribution is 65.7.

Q: What proportion of scores are below z-score of a +1.00 in a normal distribution?

A: Standard normal distribution: The standard normal distribution is a special case of normal…

Q: 3. What z-score separates the lowest 10% of the distribution from the rest? a, z= 0.90 %3D b. z…

A: Let X be the random variable from normal distribution then we will find the z-score separates the…

Q: 4. Which proportion of a normal distribution is located between the mean and z = +1.40? 5. A…

A: The proportion of a standard normal distribution which is located between mean and z = 1.40 is given…

Q: What happens to the graph of the normal curve as the mean increases?

A: The graph of the normal curve as the mean increases.