Z is distributed as a standard normal variable. Find the value of a such that Pr (Z < a) = 0.828

Q: Let Z be a standard normal variable.  P(Z<_c)=0.2119

A: Given: Z is a standard normal variable P(Z ≤ c ) = 0.2119

Q: is distributed as a standard normal variable. Find the value of a such that Pr (Z < a) = 0.919.…

A: According to the given information in this question We need to find the value of a

Q: Z is distributed as a standard normal variable. Use Excel to find Pr(Z < -0.51). Enter your answer…

A: Answer:- Given, Z is distributed as a standard normal variable.  Using formula  Excel formula,…

Q: If Z is a standard normal variable find P(Z>-3.00)

A: It is an important part of statistics. It is widely used.

Q: Find z such that 56% of the standard normal curve lies between −z and z.

A: Draw the normal curve and shade the area between -z and z under the normal curve.

Q: Find a positive value z such that 43.80% of standard normal values lie between -z and z.

A: The area under the normal distribution curve: A normal distribution curve is an inverted U-shaped…

Q: Z is distributed as a standard normal variable. Use Excel to find Pr(Z > -0.61). Enter your answer…

A: given data standard normal distribution Z~N(0,1) P(Z&gt;-0.61) = ?

Q: For a standard normal variable Z (a) Find the area under the standard normal distribution curve…

A: Given, A standard normal variate z The required area under the standard normal distribution curve…

Q: Find the area under the standard normal distribution curve between Z=0 and Z=2.70. Use The Standard…

A: we have to find area under standard normal curve between z = 0 and z = 2.70

Q: Z is distributed as a standard normal variable. Find the value of a such that Pr (Z < a) = 0.463.…

A: The given probability expression is, P(Z&lt;a)=0.463.

Q: -ind the Z value Suon that 75 % of the Standard normal Curve acea lies to the left of Z.

A: The standard normal variable Z follows normal distribution with mean 0 and standard deviation 1.

Q: Find z such that 71% of the standard normal curve lies between −z and z. (Round your answer to two…

A: z such that 71% of the standard normal curve lies between −z and z.

Q: Let Z be the standard normal variable.Find z if z satisfies the given value. P(Z < z)= 0.9826

A: P(Z &lt; z)= 0.9826Φ(z)= 0.9826z=Φ-1( 0.9826)z=2.111  (using the inverse normal distribution)

Q: Find the z value such that 81% of the standard normal curve lies between —z and z. (Round to two…

A: Z~N(0,1)

Q: Find the area under the standard normal distribution curve between z= 0 and z =2.16

A: Given that,  z= 0 and z =2.16

Q: Z is distributed as a standard normal variable. Use Excel to find Pr(Z < 2.21). Enter your answer as…

A: Given: Pr(Z &lt; 2.21)

Q: Find z such that 64% of the standard normal curve lles between and (Round your answer to two decimal…

A: It is given that the area under the standard normal curve is 64%.

Q: Let Z be the standard normal variable. Find z if z satisfies P(Z z ) = 0.9788 P(-z < Z < z ) =…

A: The Normal Distribution:  The parameters of the normal distribution are the mean and standard…

Q: Let Z be the standard normal variable. Make a rough sketch of the appropriate region under the…

A: Given that ,                        Z~N(0,1) to find  1)  P(Z &lt; 0.5) =P(Z &gt;-0.5)…

Q: Let Z be the standard normal variable. Make a rough sketch of the appropriate region under the…

A: It is given that Z is the standard normal variable. The required probability can be drawn using…

Q: Z is distributed as a standard normal variable. Find the value of a such that Pr(Z < a) = 0.915.

A:

Q: Find z such that 63% of the standard normal curve lies between -z and z. (Round your answer to two…

A: The z-score: The z-score of a normally distributed random variable, X, with mean μ and standard…

Q: Z is distributed as a standard normal variable. Use Excel to find Pr(Z < 2.38)

A: The z-score is 2.38.

Q: Z is distributed as a standard normal variable. Use Excel to find Pr(Z < 0). Enter your answer as a…

A: Standardized z-score:   The standardized z-score represents the number of standard deviations the…

Q: Let Z be the standard normal variable with μ = 36 and σ = 4.2. Find the value of P(X  30). Round…

A: Note:It is given that Z is the standard normal variable with mean 36 and standard deviation 4.2.…

Q: Find z such that 70% of the standard normal curve lies between −z and z. (Round your answer to two…

A: We can obtain value of z by- P (-z&lt;Z&lt;z) = 0.70 P (Z&lt;z) – P (Z&lt;-z) = 0.70 P (Z&lt;z) –…

Q: Let x be a continuous random variable that has a normal distribution with a mean of 80 and a…

A: GivenMean(μ)=80standard deviation(σ)=12

Q: ind z such that 66% of the standard normal curve lies between −z and z.

A: Given  Find z such that 66% of the standard normal curve lies between −z and z.    Find the value of…

Q: Find the area under the standard normal distribution curve between z= 0.51 and z= -1.01. Use The…

A: From the given information ,We have to find the area under the standard normal distribution curve…

Q: Find Z so that 17% of the standard normal curve lies to the right of Z.

A: The value Z for the 17% of the standard normal curve lies to the right of Z is,…

Q: Sketch the areas under the standard normal curve over the indicated intervals, and find the…

A: The area between z=0 and z=2.92 is sketched below

Q: Z is distributed as a standard normal variable. Use Excel to find Pr(Z < -1.04). Enter your answer…

A: Given Information: Z is distributed as a standard normal variable. To find P(Z &lt; -1.04) using…

Q: Let Z be the standard normal variable with μ = 36 and σ = 3.4. Find the value of P(X  39). Round…

A: It is not meaningful to calculate any probability which is greater than 39 for a standard normal…

Q: Find z such that 6% of the standard normal curve lies to the right of z. (Round your answer to two…

A: Let Z be the random variable from standard normal distribution with 6% of the standard normal curve…

Q: Find z such that 58% of the standard normal curve lies between −z and z. (Round your answer to two…

A: We have to find the z score such that 58% of the standard normal curve lies between −z and z.

Q: Suppose Z is distributed as a Standard Normal variable. Calculate Pr(-1.54 < Z < -0.13) How do I…

A: Draw the normal curve and shade the area between z=-1.54 and z=-0.13.

Q: Find z such that 72% of the standard normal curve lies between −z and z. (Round your answer to two…

A: Given proportion = 72% = 0.72 The remaining area of the curve = 1 – 0.72 = 0.28 The left tailed area…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.