42. Let X have a Standard Normal Distribution. Find P(X > - 0.25). В. 0.59871 A. 0.49871 С. 0.69871 D. 0.79871

Q: Let X have a Nonstandard Normal Distribution with µ 55 and o = 8. Find P(X > 57).

A: Given that X follows N(mean = 55, SD = 8)

Q: A Normal distribution has a mean of 160 and a standard deviation of 10. Find P(X < 170) Select one:…

A:

Q: 27. Let X have a Standard Normal Distribution. Find P(X < 1.46). C. 0.93785 A. 0.91785 B. 0.92785 D.…

A: According to the given information, we have Z score = 1.46 (Left tailed)

Q: Suppose X follows a standard Normal distribution, find P(X < 1) P(X = 1) %3D

A: According to empirical rule, 68.27% of data lies within one standard deviation from the mean, 95.45%…

Q: I. Find the area under the standard normal distribution curve. 1. Between z = 0 and z = 1.77 2.…

A: Since you have posted a question with multiple sub-parts, we will solve first 3 sub-parts for you.…

Q: d) Due to the symmetry of the normal distribution we know that P(X > 28) = P(X < ).

A: GivenMean(μ)=44standard deviation(σ)=8Let "X" be the length(in cm) of aneel

Q: 30. For a normal distribution with μ = 29 and σ = 5.4, determine P(x > 29.432). P(x > 29.432) =…

A:

Q: 28. Let X have a Standard Normal Distribution. Find P(X > -0.25). B. 0.59871 A. 0.49871 C. 0.69871…

A: Given that: Z is standard normal Distributed with i.e. mean µ =0 and standard deviation σ =1 By…

Q: 1. a.For a standard normal curve, find the area to the left of z = –1.3. (Use 4 decimal places.)…

A: (a) Obtain the area to the left of Z= –1.3. The area to the left of Z= –1.3 is obtained below as…

Q: 44. Let X have a Standard Normal Distribution. Find P( – 1.12 <X< 0.46). A. 0.5459 В. 0.5659 С.…

A: Answer is  (A) 0.5459

Q: Below is a graph of a normal distribution with mean u -1 and standard deviation o=2. The shaded…

A: Shade the corresponding region under the standard normal curve given

Q: Use the graph of the uniform distribution to find the probability x is between 1 and 4. 0.2 y=P(x)…

A: q-1) given uniform distribution X~U(0,5) find P(1&lt;x&lt;4) = ?

Q: Assume that the random variable X is normally distributed with mean = 62.6 and standard deviation =…

A: Given:- X is normally distributed. mean μ = 62.6 standard deviation = 2.88n = 25 we have to find…

Q: 35. Let X have a Nonstandard Normal Distribution with u = 55 and o = 8. Find P(51 < X < 65). A.…

A: Given X is normal Distributed with mean µ = 55.0 and standard deviation σ = 8.0 now will using…

Q: Below is a graph of a normal distribution with mean μ = -2 and standard deviation = 2. The shaded…

A: Given data: Population Mean  = -2 Population standard deviation = 2

Q: 1.) For the standard normal distribution, find The area within one standard deviation(|z|<1). Your…

A: Given : Standard normal variable Z Z~N(0,1)Mean=0 Standard deviation (sd)=1

Q: A normal distribution has μ = 32 and a = 5. (a) Find the z score corresponding to x = 27. (Enter an…

A: Given that  X~N (μ = 32  , σ = 5) μ= 32  , σ = 5 Formula for Z-score Z=(X-μ)/σ

Q: A normal distribution has a mean of 50,000 with a standard deviation of 5,000. Find the value x such…

A: We have to find out x value for given data..

Q: Suppose X is a non-standard normal variable, with a mean of 120, and std deviation of 9 (i.e.…

A:

Q: Below is a graph of a normal distribution with mean u=-4 and standard deviation o= 2. The shaded…

A:

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: 43. Let X have a Standard Normal Distribution. Find P( – 1.27 < X < 2.05). A. 0.8777 В. 0.8977 С.…

A: the PDF of normal distribution is = 1/σ * √2π * e ^ -(x-u)^2/ 2σ^2standard normal distribution is a…

Q: 32. Let X have a Standard Normal Distribution. Find a such that P(X > a) = 0.80511 А. - 0.66 В. -…

A: Given that: X is standard normal Distributed with i.e. mean µ =0 and standard deviation σ =1 now…

Q: 41. Let X have a Standard Normal Distribution. Find P(X < 1.46). В. 0.92785 A. 0.91785 С. 0.93785 D.…

A: According to the given information, we have X have a Standard Normal Distribution.

Q: Below is a graph of a normal distribution with mean μ = −1 and standard deviation σ = 4. The shaded…

A: Answer: From the given data, Mean (μ) = -1 Standard deviation (σ) = 4

Q: 34. Let X have a Nonstandard Normal Distribution with u = 55 and o = 8. Find P(X > 57). C. 0.40129…

A: Given X is normal Distributed with mean µ = 55.0 and standard deviation σ = 8.0 now will using…

Q: elow is a graph of a normal distribution with mean μ = 2 and standard deviation o=4. The shaded…

A: Suppose the variable of interest is x.

Q: Below is a graph of a normal distribution with mean u=-2 and standard deviation o= 2. The shaded…

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Q: Find the MGF of the binomial distribution and hence find its mean and variance. Binomial…

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Q: For the binomial distribution P(x) = C7x(0.4) (0.6)' -X, choose the correct histogram below and…

A: Binomial distribution is the standard form of the binomial distribution. In binomial distribution…

Q: A mean and standard deviation of a normal variate are 8 and 4 respectively. Find P(5 < x < 10)

A: Given that ; Population mean (u) = 8  Standard deviation = 4 By using standard normal distribution…

Q: Below is a graph of a normal distribution with mean μ = -5 and standard deviation o=3. The shaded…

A: given data  μ = -5σ = 3P(x&gt;-2) = ?

Q: Below is a graph of a normal distribution with mean μ=-2 and standard deviation o=3. The shaded…

A: The provided information is  µ=-2 σ=3 P(X&gt;1) P(X-µσ&gt;1-(-2)3)P(z&gt;1)=0.1586  (from…

Q: In a recent year the distribution of scores in the verbal section of the SAT had the parameters…

A: We know the first rule of empirical lies between 68%, and second rule lies between 95% and third…

Q: 29. Let X have a Standard Normal Distribution. Find P(- 1.27 < X < 2.05). A. 0.8777 B. 0.8977 C.…

A: According to the given information, we have Let X have a Standard Normal Distribution.

Q: Ex4: Assume that Z has a standard normal distribution. Determine the following: a/P(Z -2.15) and…

A: Z be a standard normal random variable.Z~N(0,1)

Q: . Let X have a standard normal distribution. Find  P(X ≧ -0.25)

A: Given,   Let X have a standard normal distribution.    The mean and standard deviation of X is,…

Q: Below is a graph of a normal distribution with mean μ = -3 and standard deviation o=3. The shaded…

A:

Q: Below is a graph of a normal distribution with mean µ = -3 and standard deviation o=2. The shaded…

A: Population mean, Population standard deviation,

Q: 5) A random variable Y is distributed Y~N(10,25). Find the upper quartile (third quartile).…

A: Normalization technique

Q: The length, X (in centimeters) of leaves collected for a biology experiment follow a normal…

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Q: In a Normal Distribution with the Mean of 67 and the Standard Deviation of 5, find P (x < 60) A.…

A: The random variable X is normally distributed. The population mean is 67. The population standard…

Q: If X has normal distribution with mean 80 and standard deviation 15. Find the P(X > 90) a. 0.7734 O…

A:

Q: If the variable Z is normally distributed with mean equal to 0 and standard deviation equal to 1.…

A: The variable Z is normally distributed with mean equal to 0 and standard deviation equal to 1.