What proportion of a normal distribution is located between the mean and z= -1.40? Question 16 options: 0.0808 0.4192 -0.0808 -0.4192

Q: A normal distribution has mean 69.6 and standard deviation 4.05. Find the data value corresponding…

A:

Q: IQ is a scoe that is transofrmed so that it has a normal distribution with a mean 100 and standard…

A: Solution: Let x be the IQ score of person has normally distributed with meanμ=100 and standard…

Q: Which proportion of a normal distribution is located between z = 0 and z = +1.50?

A: Solution: Here, it is needed to find the proportion of a normal distribution is located between z=0…

Q: normal distribution of scores has a mean of 10.3 and a variance of 5.16. What is the exact…

A:

Q: In a normal distribution, find the mean if the standard deviation is 100, and 70.19% of the total…

A: Given that the standard deviation is 100 and 70.19% of the total area lies to the right of 500. That…

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: Suppose XX has a normal distribution with mean 4040 and standard deviation five. Between what values…

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Q: In a standard normal model, what percentage of values are less than 2.15? 2) In a standard normal…

A: We have given that Standard normal distribution  X~N(0,1) mu=0 , sigma =1 Z-score =(x-mu)/sigma

Q: Below is the graph of a normal distribution with mean = standard deviation o = 84 and 2.4

A: Given Information: A graph of a normal distribution with mean μ = 84 and standard deviation σ=2.4 To…

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: normal distribution has a mean of mu = 40 with sd =5. What is the probability of sampling an…

A: we want to find probability of sampling an individual with a score greater than 48

Q: The heights of adult American men can be modeled by a normal distribution with mean μ = 69 inches…

A: The heights of adult American men can be modeled by a normal distribution with mean μ = 69 inches…

Q: Find the Z-score that describes the following proportions under the normal curve (within 0.01…

A: The area is middle 20%.

Q: An IQ of 140 is converted into a z-score of z=1.40. what proportion of the normal distribution is…

A: Given : An IQ of 140 is converted into a z-score of  Z = 1.40

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: Suppose X is normally distributed with mean ?=46 and standard deviation ?= 12. Calculate the z-score…

A: Given that, Mean = 46 Standard deviation = 12

Q: A population is normally distributed with a mean of 25 and a standard deviation of 3. What is the z…

A: GIVEN DATA,μ=25σ=3X=18z=?

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: Sketch a normal distribution/bell curve with a mean of 60 and a standard deviation of 20.  What…

A: Given that  X~Normal( μ=60 , σ=20 )

Q: Consider a normal distribution with µ=72 and ó=12 1. What is the score at the 25th percentile? 2.…

A: Given that, μ=72,σ=12 (1) The score at the 25th percentile is Therefore, the score at the 25th…

Q: for a normal distribution with a population mean of 74 and a standard deviation of 8, what is the…

A: given data normal distributionμ = 74σ = 8to saperate top 60% x = ?

Q: A normal distribution has  ? = 28 and   ? = 5. 1. Find the z score corresponding to x = 41. (Enter…

A: Given Information: u = 28  s = 5

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: Suppose X has a normal distribution with mean 30 and standard deviation five. Between what values of…

A: Empirical rules:1) P(μ-σ<X<μ+σ)=68%2) P(μ-2σ<X<μ+2σ)=95%3) P(μ-3σ<X<μ+3σ)=99.7%

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

A:

Q: what percentage of data is within 1.5 standard deviations of the mean? What percentage of data is…

A: For the Standard Normal distribution Mean = 0 Variance  = 1 , so standard deviation = 1 Use excel…

Q: What proportion of a normal distribution is located in the tail beyond z = 1.50?

A: It is given that the z-score is 1.50. The proportion of a normal distribution is located in the tail…

Q: About what percentage of a normal distribution falls within 2.5 standard deviations of the mean?

A: 98.76 percentage of a normal distribution falls within 2.5 standard deviations of the mean

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: The following figure is a normal curve that represents the approximate weights, in pounds, of adult…

A: In question, We have given a normal curve then we'll find the following probabilities. The solution…

Q: Suppose X is normally distributed with mean ?=56 and standard deviation ?= 7. Calculate the z-score…

A: Given that, Mean = 56 Standard deviation = 7