Given a normally distributed variable x with mean 10.5, standard deviation of 7, find the value of x such that P(x

Q: Suppose that the creatine kinase levels among healthy males are normally distributed with a standard…

A: Standard deviation Let the mean creatine kinase level in healthy males be µ.Here, X be a random…

Q: The coefficient of variation (CV%) is a normalized measure of the dispersion of a distribution. It…

A: Given,∑Xi=61.2∑Xi2=444.6n=16

Q: Ex10: Let X be a normal distribution with a mean of 5 and standard deviation 1. Find: a/ P(X= 5) and…

A: Solution

Q: For a population with a mean of u=100 and a standard deviation of o=20, find the z-score for each of…

A: Z-score is computed for statistical analysis. It can be negative or positive. It is the number of…

Q: X follows a normal distribution with mean 45 and standard deviation 6. The z-variate corresponding…

A: Answer : The value of the X-variate is : (c) 54.

Q: What proportion of the population would be expected to have a petal length (a) greater than 4.5 cm?…

A: Let , X→N(μ=3.5 , σ=0.5) Our aim is to find the following :  a) The proportion would be expected to…

Q: Today, the waves are crashing onto the beach every 4.1 seconds. The times from when a person arrives…

A: Here X follows uniform distribution with parameter a=0 and b=4.1 c)  P(X=1.9)=? Solution P(X=1.9)=…

Q: Find the standard deviation for the given data n3 64.Ef,x,-441, Efx7= 495917,Ex,= 188 %3D %3D %3D O…

A: Answer: Option d. 88.4503 Explanation: Given values; n=64, ∑fixi=441, ∑fixi2=495917 and ∑xi=188…

Q: A Cl estimate is designed for the gain in the circuit on a device. Assume that gain is a normal…

A:

Q: Today, the waves are crashing onto the beach every 5.6 seconds. The times from when a person arrives…

A: As per the Bartleby guildlines we have to solve first three subparts and rest can be reposted.....…

Q: A fire department in a rural county reports that it's response time to fires is approximately…

A: According our policy we can answer only first question for remaining please repost the question.

Q: Let x have a normal distribution with a mean of 91.2 and a standard deviation of 4.92. The z value…

A: Given that  Mean = 91.2 , Standard deviation = 4.92 X-score = 73.98

Q: What is the Discrete Variable Standard Deviation for the following numbers: x = 0 and P(X = x) =…

A: Answer:- Given the discrete variable is, x = 0 and P(X = x) = 0.56x = 1 and P(X = x) = 0.15x = 2 and…

Q: Ex6: Assume X is normally distributed with a mean of 5 and a standard deviation of 4. Determine the…

A: Given data: Mean = 5 Standard deviation = 4

Q: Suppose that you are interested in the earnings of GE employees. You have randomly sampled 225…

A: N=225,x¯=300,s=75,μ=288,α=0.01SX¯=sN=75225=5df=N−1=225−1=224

Q: Assume that X is normally distributed with unknown mean μ and standard deviation equals. 0.15. Given…

A:

Q: The lifetime X of a widget has a Weibull distribution with parameters a = 2 and ß = 5. The mean…

A: Given.... The lifetime X of a widget has a Weibull distribution with parameters a = 2 and 3 = 5. The…

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

A: Given information: It was stated to assume that Z scores are normally distributed. Mean =0 and…

Q: The standard normal probability function is used to describe many different populations. Its graph…

A: We have given following function-f(x)=13πe-x2/7Function is increasing if f'(x) ≥0.Now, using chain…

Q: Let x = red blood cell (RBC) count in millions per cubic millimeter of whole blood. Suppose for…

A: as per given information :  x = red blood cell (RBC) count in millions per cubic millimeter of whole…

Q: X has normal distribution with mean D a. 0.0228 O b. 0.4772 O c. -0.33 O d. 0.9772

A:

Q: 2 3 4 7 P(X = x) 0.5 0.2 0.2 0.1 Find the standard deviation for the above distribution. O a) 4 O b)…

A: 2 0.5 1 4 2 3 0.2 0.6 9 1.8 4 0.2 0.8 16 3.2 7 0.1 0.7 49 4.9

Q: Suppose X has a normal distribution with a mean of 500 and a standard deviation of 40. find the…

A:

Q: Suppose X has a normal distribution with a mean of 800 and a standard deviation of 50. Find the…

A: Solution: From the given information, X follows normal distribution with a mean µ=800 and a standard…

Q: Ex5: Assume that X is normally distributed with a mean of 10 and a standard deviation of 2.…

A: Solution-: Given: μ=10,σ=2 We want to determine, (a) P(X<13)=? and P(X>9)=? (b)…

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

A: Given,To,find the back-to-knee lengths that are significant and not significant, andtest whether…

Q: Suppose that the length of research papers is uniformly distributed from 8 to 23 pages. We survey a…

A: For uniform distribution from a to b, Mean,  = (a+b)/2 Here, a = 8 and b = 23  = (8 + 23)/2 = 15.5…

Q: If x is normally distributed with a mean of 6 and a standard deviation of 4, find P(x>8) a. 0.1915…

A: If x is normally distributed with a mean of 6 and a stnadard deviation of 4, find Px>8 Answer: b.…

Q: Let x have a normal distribution with a mean of -30.2 and a standard deviation of 10.67. The z value…

A:

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

A: Sketch the normal curve and shade the area of 0.1606 to the left of "e" under the normal curve.…

Q: Q2. Suppose heights of female (cm) is normally distributed as N(μ= 165, o² = 7.5²) where the mean μ…

A: We have,   Heights of female (cm) is normally distributed as N(μ=165,σ2=7.52) where the mean μ = 165…

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

A: From the given information, Assume that z-scores are normally distributed with a mean of 0 and a…

Q: IQ scores are normally distributed with a mean of 100 and a standard deviation of 17. Assume that…

A: Given Mean=100 Standard deviations=17

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

A: Given,P(z<e)=0.0516

Q: P(x ≤ 16) when a variable is normally distributed with mean 21 and standard deviation 7. Give the…

A: Given data,Mean μ=21sd     σ=7P(X≤16)=?

Q: Adult men have heights with a mean of 69.0 inches and a standard deviation of 2.8 inches. Find the…

A: Given data mean=69.0 inches standard deviation=2.8 inches x=79.7 inches

Q: Suppose X has a normal distribution with a mean of 1000 and a standard deviation of 200. Find the…

A: We have given that,  X has a normally distributed with mean (mu)= 1000 and standard deviation…

Q: Suppose that the average life of a refrigerator before replacement is μ = 15 years with a (68% of…

A: Given that  The average life of a refrigerator before replacement is μ = 15 years 68% data range…

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

A: Given,P(-b<Z<b)=0.1904

Q: The lifetime X of a widget has a Weibull distribution with parameters a = 2 and B = 5. The mean…

A: The mean is 4.43 and standard deviation is 2.316.

Q: For a continuous variable with a normal distribution where the mean is 2.0, the standard deviation…

A: Given: μ=2.0σ=1.0