The area under the curve of a chi square distribution '(19) between 0 and x is 0.05 then X. is equal to: 10.117 O 15.119 9.926 O 15.352

Q: Use Simpson's rule with in two decimal places.

A:

Q: the x-value is __________.

A: Mean of the distribution is 4 and z-value is such that the area under the normal curve to the right…

Q: Suppose that X has a beta distribution with parameters a and ß. Determine EX"(1– X)s, where r and s…

A:

Q: The area under the normal curve to the right of u equals The area under the normal curve to the…

A: Find area under the normal curve to the right of mu

Q: nder th

A: Z is the standard score used to measure by what value the raw score is above or below the standard…

Q: A random variable, X, has a normal distribution with mean equal to 1000 and standard deviation equal…

A: Given data,μ=1000σ=100P(X>x)=0.6517x=?

Q: Find the z value so that 7.49% of the area under the distribution curve lies to the right of it.

A: Seeing in the table for the 100%-7.49% =92.51% =0.9251 or closet value Required z-score would be

Q: ind the area under the standard normal curve over the interval specified below.   To the right of z…

A: We all know that The standard normal distribution is a special case of the normal distribution when…

Q: Find the z score that has 66.3% of the distributions area to its right. (Round to 2 decimal places)

A: Answer:-  Given, Area to the right=66.3%=0.663 Here we need to determine the Z-score that has an…

Q: The area between z = - 1.3 and z = 1.1 under the standard normal curve is (Round to four decimal…

A:

Q: Find the z value to the left of the mean so that 76.52% of the area under the distribution curve…

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

Q: 1. What percent of the area under the normal curve is between z= 0.85 and z = 2.5? 2. What percent…

A: The Z has standard normal distribution i.e. Z~N0,1

Q: Find the area under the standard normal distribution curve to the right of z= 1.87. Use a TI-83…

A: Use TI-83 plus calculator steps to find the area to the right of z = 1.87 as follows: Step 1: Press…

Q: The area under the normal curve between z = 0 and z =- 1 is the normal curve between z = 1 and z =…

A:

Q: Sketch the graph of area under normal distribution and solve the area. (a) between 2.87 and -1.28…

A: We have to find out shaded area for given standard normal curve Here we use z table for finding z…

Q: Let x be a continuous random variable that follows a normal distribution with a mean of 226 and a…

A:

Q: Find the Z score to the nearest hundredth that satisfy the different condition 0.224 square unit of…

A: Given  The area of the standard normal distribution is to the right of Z is 0.227.

Q: Find the value of tt for a tt-distribution with 19 degrees of freedom such that the area to the left…

A:

Q: A manufacturer makes screws with a mean diameter of 0.15 cm (centimeters) and a range of 0.10 cm to…

A: Here Given  the screw diameter s range is 0.1 to 0.2 cm .

Q: Find the value of t for a distribution with 22 degrees of freedom such that the area between -t and…

A: We have given that the degree of freedom 22 and  the area between -t and t is equals 98%.

Q: Find z such that 13% of the area under the standard normal curve lies to the right of z. (Round your…

A:

Q: Find the area under the standard normal curve to the right of z=1.38z=1.38. Round your answer to…

A:

Q: Find a z-value such that approxximately 30% of the area under the standard normal curve lies between…

A: We have to find the z-value such that approximately 30% of the area under the standard normal curve…

Q: The area under the curve of a chi square distribution X´(19) between 0 and Xá is 0.3, then Xá is…

A: It is given that, The area under the curve of chi-square distribution χ2(19) between 0 and χ2a is…

Q: find the area under the standard normal distribution curve. To the right of z = −1.92 show all…

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

Q: Find the value of tes for at-distribution with 15 degrees of freedom Round your answer to three…

A: Answer: The value of t0.025 for t-distribution with 15 degrees of freedom is 2.131.

Q: 2. Find the z-score corresponding to the given area, 0.3519, which is to the right of z of the…

A: We have given that.   X~N(0 , 1)   μ=0 , ? =1   Z-score =( x - μ )/?   NOTE:- According to bartleby…

Q: Let x be a continuous random variable that follows a normal distribution with a mean of 213 and a…

A:

Q: Find two z values so that 40% of the middle area is bounded by them. Use OThe Standard Normal…

A: Given middle 40% of data.

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: Find the z value to the right of the mean so that 99.06% of the area under the distribution curve…

A: The required probability is P(Z<z0)=0.9906

Q: er the standard normal curve to the left of z= 0.35 and to the right of z=1.37. Round your answer to…

A: The required area can be found by using the standard normal table. Thus,…

Q: The area under the curve of a chi square distribution (19) between 0 and X, is 0.05 then X is equal…

A: It is given that, degree of freedom =19 level of significance  =0.05

Q: The area under the standard normal curve from zero to z is 0.0239 and z is positive. The value of z,…

A:

Q: If the standard-normal-curve area to the left of z equals 0.1169. The value of z is:

A: We have to find z score from z table.

Q: The area under the Normal Distribution equals infinity 10 O 1 O 1

A: The normal distribution is a bell-shaped symmetric distribution with equal values of the mean, mode,…

Q: e MLE of the 0.90 percentile of the distr

A: 0.90 percentile of the distribution:

Q: Find the zz  value to the left of the mean so that 98.98% of the area under the distribution curve…

A: P (Z< z) = 0.9898 z (P = 0.9898) = 2.32(Using Excel = NORM.S.INV (0.9898))

Q: Find the area under the standard normal curve to the right of z =-1.25. (Round to 4 decimal places)

A:

Q: A random vanable X. has a nomal disrbution with mcan equalto 1000 and standard deviation equal to…

A: Given that X has a normal distribution with, Mean = 1000 Standard deviation = 100

Q: Suppose x has a distribution with a mean of 90 and a standard deviation of 12. Tandom samples of…

A: Let x has a distribution with a mean of 90 and a standard deviation of 12.  That is, μ =90 and σ =12…

Q: Let x be a continuous random variable that follows a normal distribution with a mean of 207 and a…

A: From the provided information, Mean (µ) = 207 Standard deviation (σ) = 42 X ~N (207, 42)

Q: The total distribution is infinite. area under a normal

A: The required is given below :

Q: 4. Find the z-score corresponding to an area of 0.8888 to its right. 5. Find the standard normal…

A: 4. The provided information is  P(Z>z)=0.8888 Therefore, P(Z<-1.22)=0.8888       (from the…

Q: Find the z-score such that the area under the standard normal curve to the left is 0.32. | (Round to…

A: The area under the standard normal curve is given as 0.32.

Q: Find z if the normal curve area  a) to the left of z is 0.1446 b) between -z and z is 0.2052 c)…

A: We have to find z score for given probability.

Q: The area between z=−1 and z=1.2 under the standard normal curve is nothing. ​(Round to four decimal…

A: The objective is to find the area between z=−1 and z=1.2 under the standard normal curve.

Q: Find a z- value to the left of the mean so that 92.79% of the area under the distribution curve lies…

A: We need to find the Z score that has 0.9279 area to its right and (1-0.9279) area to its left

Q: Let x be a continuous random variable that follows a normal distribution with a mean of 200 and a…

A:

Q: Today, the waves are crashing onto the beach every 4.3 seconds. The times from when a person arrives…

A: Given: Waves are crashing onto beach 4.3 seconds.  The times from when a person arrives at the…

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.