2. Determine the approximate location of the score x from the mean in terms of the standard deviation of the given normal distribution. a. x = 31.2 from a set of scores withµ = 23.5 and a = 8.3. b. x = 151.4 from a set of scores with u = 187.4 and o = 50.1. c. x = 301.21 from a set of scores with u = 257.89 and o = 34.71.

Q: Assuming that the Entrance Test scores of Grade 6 students are normally distributed with a mean of…

A:

Q: The weight of an organ in adult males has a bell-shaped distribution with a mean of 310 grams and a…

A: Empirical Relationship: The empirical rule states that if a distribution is unimodal and symmetric…

Q: For a population with a standard deviation of o=20 find the z score for each of the following…

A: Solution Where,

Q: A population with a mean of m = 41 and a standard deviation of s = 4 is transformed into a…

A: Hey there! Thank you for posting the question.  Since you have posted a question with multiple…

Q: For the following questions, assume a normal distribution of a sample with a Mean of 20, and a…

A:

Q: The weight of an organ in adult males has a​ bell-shaped distribution with a mean of 330 grams and a…

A:

Q: The weight of an organ in adult males has a bell-shaped distribution with a mean of 330 grams and a…

A: According to the empirical rule,

Q: I have sent the picture below of the question I need answered

A: Given Information- Data given for the sitting back-to-knee length for a group of adults is given…

Q: A random sample of 40 students has a mean annual earnings of $3120 and assume that the population…

A: The margin of Error (MoR): It is the Range of values that has the sample statistics in the…

Q: 4. Consider a normal population mean of 89 and population standard deviation of 63 Calculate the…

A:

Q: Assume that z-scores are normally distributed with a mean of 0 and a standard deviation of 1. If…

A: Given mean is 0 and standard deviation is 1. Given that that P(z<e)=0.4657

Q: The weight of an organ in adult males has a​ bell-shaped distribution with a mean of 340 grams and a…

A: We have to find probability

Q: For a normal distribution with a mean of u = 60 and a standard deviation of o = 10, find the…

A: By using Normal distribution, we have Mean = 60 Standard deviation = 10

Q: For a population with a mean equal to 100 and a standard deviation equal to 25, calculate the…

A: Given data,Mean μ=100sd σ=25Calculate standard error for following.

Q: A sample with a mean of M = 62 and a standard deviation of s = 5 is transformed into a standardized…

A: It is given that the sample mean M =62 and the standard deviation s is 5.

Q: For samples of the specified size from the population described, find the mean and standard…

A:

Q: Suppose that the sitting back-to-knee length for a group of adults has a normal distribution with a…

A:

Q: 1. a) Sketch a normal distribution/bell curve with a mean of 60 and a standard deviation of 20. 20…

A: Here given mean 60 and standard deviation 20

Q: If a distribution with a µ = 700 and σ = 400 is converted into a distribution of z-scores. The…

A: As per company guidelines I solved exactly three subparts of the question.

Q: For a normal distribution where the mean is 50 and the standard deviation is 10, what percentage of…

A:

Q: d) Assume that the mean and standard deviation of this lacrosse team are the same as the mean and…

A:

Q: 24. Assume that the resting heart rate in humans is normally distributed with a population mean of…

A: X be the resting heart rate in humans is normally distributed with a population mean μof 72 bpm and…

Q: Calculate Mean Deviation (i) from Mean () (ii) from Median () for the given data and verify that…

A: Given: x f 2 3 4 9 6 5 8 2 10 1

Q: Suppose that the weights of adult males have a mean of 60kls and standard deviation of 18 kg.…

A: Given,mean(μ)=60standard deviation(σ)=18 Sample size(n)=40

Q: Assume that z-scores are normally distributed with a mean of 0 and a standard deviation of 1. If…

A: GivenMean(μ)=0standard deviation(σ)=1

Q: . Suppose that the mean chest size of certain soldiers is 39.8 inches with a standard deviation of…

A: We have given that.   X~N( μ , ?^2 )   μ = 39.4 , ? = 2.2   Z-score =( x - μ )/?

Q: The distribution of weights for 12-month-old baby boys in the US is approximately normal with mean u…

A: The Z-score of a random variable X is defined as follows: Z = (X – µ)/σ. Here, µ and σ are the mean…

Q: a) About 68​% of organs will be between what​ weights? ​(b) What percentage of organs weighs between…

A: Let , X→N(μ=300 , σ=25) Use the empirical rule to determine the following :  (a) About 68​% of…

Q: Suppose the data have a bell-shaped distribution with a mean of 25 and a standard deviation of 5.…

A: The empirical rule states that 68% of the data falls within one standard deviation, 95% percent…

Q: Suppose that the blood pressure of the human inhabitants of a certain Pacific island is distributed…

A:

Q: 7. Sketch two normal curves on the axis below with approximately equal standard deviations, one with…

A: We have given that the equal standard deviation, one with a mean of 7 and other with a mean of 12.

Q: Suppose that the sitting back-to-knee length for a group of adults has a normal distribution with a…

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

Q: Using z-scores, which of the following represents the probabilitythat a randomly selected Champlain…

A:

Q: Given that x is a normally distributed variable with mean equal to 40 and standard deviation equal…

A: P(x ≤ 45) = 0.8413

Q: 4. Given a normal distribution with population u = 35 and population variance o? = 25, find the %3D…

A: 4. Consider that the mean and standard deviation of a random variable X are µ and σ, respectively.…

Q: The mileage in miles per gallon of several cars when they were new and when they were 3 years old is…

A: The value of the slope can be calculated as: The y-intercept can be calculated as:

Q: The weight of students studying at a national university follows a normal distribution with a mean…

A: Given,margin  of error (E)=0.03standard deviation (σ)=0.24α=1-0.99=0.01α2=0.005Z0.005=2.58

Q: Oil field studies have shown that permeability measurements are having a normal distribution with a…

A: Let, X= permeability measurements  Given that X follows a normal distribution with mean 68 and…

Q: The following are X values from a distribution that has a mean of 25 and a standard deviation of 3.…

A: Given data,μ=25σ=3

Q: Suppose that vehicle speeds at an interstate location have a normal distribution with a mean equal…

A: The random variable vehicle speed follows normal distribution. The population mean is 70. The…

Q: Given that x ( = flight times between cities A and B) follows a normal distribution with a mean of…

A: GivenMean(μ)=64standard deviation(σ)=2.5

Q: If our data is considered to follow a Normal distribution, then we would expect to find…

A: We know that, The Empirical rule states that 95% of data observed following a normal distribution…

Q: For a population with a standard deviation of o = 5, find the z-scores for the locations of 20…

A: For a population with a standard deviation of σ = 5.

Q: 2. A normally distributed set of data has a mean of u = 31156 and a standara deviation ofo = 4.15.…

A: Given: N~μ,σN~31.56,4.15

Q: normal distribution has a mean of µ = 30 with σ = 5. If a vertical line is drawn through the…

A: Given Data : Population Mean,μ = 30 Population Standard Deviation,σ = 5

Q: 30. The distribution of weights for 12-month-old baby girls in the US is ap- proximately normal with…

A: we have to find percentile value......

Q: Calculate the percentage of women who measures (a) more than 1.70 m. (b) between 1.66 and 1.58 m.…

A:

Q: The weight of an organ in adult males has a​ bell-shaped distribution with a mean of 340 grams and a…

A: We have given that  The weight of an organ in adult males has a​ bell-shaped distribution with a…

Q: The weights of a certain dog breed are approximately normally distributed with a mean of u = 53…

A: Given that  The weights of dog are normally distributed. Mean (μ) = 53 pounds Standard deviation (σ)…

Q: 16. Suppose that the vehicle speeds at an interstate location have a normal distribution with a mean…

A: Note- Since you have posted multiple questions, as per our guidelines we are supposed to answer only…