27. Let X have a Standard Normal Distribution. Find P(X < 1.46). C. 0.93785 A. 0.91785 B. 0.92785 D. 0.94785

Q: Suppose X has a Weibull distribution with B = 3 and 8 = 4000 . What is P(X > 4500)?

A:

Q: Let X have a standard normal distribution. Find a such that P(X ≤ a) = 0.47

A: Given that, X follows standard normal distribution. P(X≤a)=0.47

Q: let x have a standard normal distribution. Find P(-1.12<x<0.46)

A:

Q: c. P(z > -0.93 and z -1.21 or z > 2)

A: We have given that  X~N( mu , sigma^2) Z-score =(X - mu )/ sigma

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: 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: As you increase the degree of freedom in thet-distribution the A. the t-distribution better…

A:

Q: If we want to transform the normal distribution to standard normal distribution, then it is…

A: If we want to transform the normal distribution to standard normal distribution, then it is…

Q: For a continuous variable with a normal distribution where the mean is 1.77 and the standard…

A: According to the provided information, 1) The probability that x is less than 3.0 can be calculated…

Q: 2. Suppose Y has a standard normal distribution. Define U = Y. Show that U has a gamma distribution…

A: Given that  Suppose Y has a standard normal distribution. Define U = Y ^ 2 . Show that U has a gamma…

Q: et X have a Nonstandard normal distribution with u=46 and o=9. Find P(47 ≤ X ≤ 4

A: Given: μ=46, σ=9 The corresponding z-values can be calculated as: The required probability can be…

Q: а. Р(: S 2.39) b. Р(:21.28) с. Р(:S-2.87)

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

Q: Create a standard normal curve for each given, find the areas under the normal curve and shade the…

A:

Q: 36. Let X have a Nonstandard Normal Distribution with u = 72 and o = 12. Find a such that P(X <a) =…

A: According to the given information, we have Mean = 72 Standard deviation = 12

Q: 54. The function for the standard normal distribution is f(x) = /2T Its graph is that of the bell…

A: NOTE*** As per bartleby guideline for more than one question asked only first is to be answered…

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: 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: Let the random variable Z follow a standard normal distribution.a. Find P(Z &lt; 1.20).b. Find P(Z…

A: Assume, Z be the random variable which follows the standard normal distribution with mean, μ=0 and…

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: Let X have a standard normal distribution. Find P(-1.27 ≤ X ≤ 2.05)

A: Given that X follows standard normal distribution. Z scores are -1.27 and 2.05

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: Suppose z is the standard normal variable. Draw the normal curve for each of the following…

A: We have to find given probability using z table.

Q: =0. Let X have a Standard Normal Distribution. Find P(- 1.12 < X < 0.46). . 0.5459 В. 0.5659 C.…

A: Let Z be the standard normally distributed random variable with mean 0 and standard deviation 1.

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: 1.55 0.77 1.78 3.15 2.25 3.00 2.56 3.33 ооооооос

A:

Q: Let the random variable X follow a normal distribution with u = 30 and o = 49. a. Find the…

A:

Q: The time that it takes for the next train to come follows a Uniform distribution with f(x) =1/45…

A: a. The time that it takes for the next train to come follows a Uniform distribution with fx=145…

Q: Z denotes a variable having standard normal distribution. P(-0.45 Z 1.2) is:-

A:

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

A:

Q: 31. Let X have a Standard Normal Distribution. Find a such that P(X < a) = 0.88877 А. 0.92 В. 1.02…

A: Given,P(X≤a)=0.88877

Q: 9. Which of the following statements is not a c below? characteristic of the standard normal…

A: According to the given information, we haveThe normal distribution curve is given.

Q: Let X have a nonstandard normal distribution with u=269 and o=23. Find P(X ≤ 278)

A:

Q: 46. Let X have a Standard Normal Distribution. Find a such that P(X > a) = 0.80511 A. – 0.66 В. —…

A: Answer is  (C)   -0.86