Find the z-score if the area to the right of z is .3523 and area to the left of –z is 0.3342.

Q: Find the Z score for the following using the z-table: a. Z0.33 b. Z0.015

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Q: Find the z-score corresponding to a score of X = 50. μ= 60 and σ= 5 μ= 45 and σ=5 μ= 40 and σ= 5…

A: The formula for z-score is, z=X-μσ In the formula, X is the individual score, μ is the mean and σ is…

Q: The area under the chi-square curve with 29 degrees of freedom from 6.2 to 59.5 is (Q10) The 30%…

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Q: Calculate the z score where x = 15, µ = 1, and σ = 5

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Q: Find the indicated z-score shown in the graph to the right. Area = 0.0188 2=? The z-score is O.…

A: Since the total area under the normal curve is 1. therefore, the area to the left of normal is…

Q: Calculate the standard score of the given x value, x=41.3x=41.3, where x‾=41.4x‾=41.4, s=6.8s=6.8.…

A: Givenx=41.3Mean(x)=41.4standard deviation(s)=6.8

Q: nd the p-valu

A: two tailed test with z = 2.3

Q: find the the z score shaded area for given data    (-3.21<z<2.2587)

A: Given probability is P(-3.21&lt;z&lt;2.2587)

Q: Loky wanted to test if there is association between vitamin exposure and having cardiovascular…

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Q: chi-square test for goodness of fit has df = 4. How many categories were used to classify the…

A: Given that ; chi-square test for goodness of fit has df = 4. By using the concept of chi- square…

Q: The area to the right of z-score of 0 is

A: We know that the Z is standard normal variate with mean 0 and variance 1  i.e. Z~N(0,1) Since the…

Q: Find the z-score that cuts off 65% in the body on the left.

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Q: A fire insurance company wants to relate the amount of fire damage in r fires to the distance…

A: Regression Equation = ŷ = bX + a

Q: Find the area above 27 for a N(15,5) distribution.

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Q: Find the z-score which separates an area of 0.9000 on the right, from the remaining area on the…

A: According to the given information, we have P-value = 0.9000 Right tailed

Q: Find the P-value (to 4 decimals) for a x test with d. f. = 16 and STS X = 18.4 if the test is: %3D…

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Q: Find the z score that has 11.9% of the distribution area to its left

A: P(Z&lt;z)=11.9% P(Z&lt;z)=0.119 z=?

Q: Determine the measure of ZRQS in the diagram below.

A: Consider the given diagram: Sum of angles formed by a ray on a line is 180°.

Q: Find the measure of ZP.

A: Here we have to find the m∠P=?

Q: The data below are the temperatures on randomly chosen days during a summer class and the number of…

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Q: for a population with a µ = 60 and σ = 12 Find the z-score for an x value of 75

A: The mean is 60 and the standard deviation is 12.

Q: In the formula to calculate the coefficient of determination, p² St-Sr St = 9 St denotes O…

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Q: If necessary, use the appropriate z-score table to answer the following: a.) What is the area (to…

A: Let Z ve the random variable from normal distribution then we will find the corresponding areas and…

Q: Find two z - values, one positive and one negative, that are equidistant from the mean so that the…

A: The areas in the two tails total 34%. The two z values are, Pz1&lt;Z&lt;z2=0.34 For,…

Q: Using the data attached, compute the following  1.  x-bar= 2. Sx= 3. n=

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Q: Find the P-value (to 4 decimals) for a x test with d. f. = 20 and STS X = 12.4 if the test is: a.…

A: a. The P-value of χ2-distribution for test statistic 12.40 at 20 degrees of freedom can be obtained…

Q: Find two z values, one positive and one negative, that are equidistant from the mean so that the…

A: Introduction:The 100 (1 – α) % confidence interval for the population mean for given population…

Q: Find the Z-score if X = 23, 17, o = 2.5 Write the Z-score rounded to 2 decimal places.

A: Given X=23 Mu= 17 σ=2.5

Q: For the samples r(tk) = 4,2,6, –1, plot the "sinc" interpolation function. In your %3D opinion, does…

A: The basis function used in 'sinc' interpolation is : sinc(t) = sin(πt)/(πt)  when t≠0  and  1  when…

Q: Find the z-score z_0.025

A: The random variable z represents the standard normal distribution with parameters . The Excel…

Q: Find the z-score that separates the largest 5% of scores from the rest. Round your result to 3…

A: The required z score that is associated with the top 5% can be obtained by using the standard normal…

Q: For a population with P = 60 and ° = 12, find the z-score corresponding the following X values: X =…

A: We have to find z score.

Q: Let z1 be a z score that is unknown but identifiable by position and area. if the area to the right…

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Q: Find the P-value (to 4 decimals) for a x test with d. f. = 10 and STS x = 13 if the test is: %3D a.…

A: The degrees of freedom are d.f = 10 And the value of test statistic is = 13

Q: Obtain the areas of given z-scores using Table 8.1: 3.45 has area of ________. 2.14 has…

A: Given data: Obtain the areas of given z-scores using Table 8.1:  3.45 has area of ________.  2.14…

Q: Find the indicated​ z-scores shown in the graph. area=0.0222

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Q: 1. What is the z-score of: 1.1) Bria? 1.2) Bryce? 1.3) Clyde?

A: Here we will use Excel command for Normal distribution

Q: 2. Find the following z-scores: a. Za10 b. Z.975 c. Z,005 0.005 d. Zs Zo30 "0.80 "0.30

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Q: If the area to the left of z is 33%, find the corresponding standard score. А -0.95 0.95 С 0.44…

A: Given : Let Z be a standard normal variable Z~N(0,1) The area to the left of Z is 33%  i.e…

Q: For the following, find the area in the appropriate tail of thet distribution. t = -2.418 and df =…

A: Given that Degrees of freedom = 42 If we have given n then to find degrees of freedom we need to do…

Q: The approximate​ Z-score that corresponds to a right tail area of 0.42 is

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Q: Given X-60 and s-12. Find the z- score value that corresponds to cach of the following scorces up to…

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Q: The average sales in a  company  = 225 St devaitin = 40  Using z scores, any sale over what…

A: mean = 225 sigma = 40

Q: Find two z values, one positive and one negative, that are equidistant (the same distance away) from…

A: Z1=+1.645≈+1.65

Q: Find the proportion of N.d. observations with a zz-score between z_1 =z1​= -2.45 and z_2 =z2​= 2.71.…

A: Given Z1=-2.45 Z2=2.71

Q: Find the z score that has 78.5% of the distribution area to its right

A: Given, Area to the right of value = 78.5% = 0.785

Q: Find two z values, one positive and one negative, that are equidistant from the mean so that the…

A: Solution: Here, it is needed to find the z-values.

Q: Find the z-score corresponding to a score of X=50. u=60 and o=5 u=45 and o=5 u=40 and o=5 u=37…

A: Where,

Q: 1. Find the value of Z such that the proportion of the area a) Between the mean and the Z-score is…

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Q: c) Find z 70. Assume that z, represents a z-score with area a to its right.

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Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.