find the z score area  z less than 2.5 z between 1.5 and -1.5

Q: Find the area under the curve that is outside of two standard deviations from the mean.

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Q: find the Z score such that the area to the right of the Z- score is 0.0054.

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Q: Find the z-score that best satisfies the condition. 20% of the total area is to the right of z. z =

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Q: Find the​ z-scores for which 95​% of the​ distribution's area lies between -z and z.   The Z scores…

A: We need to find the z-score Finding the alpha

Q: How do you find the area to the left of t-score?

A: t-distribution: t distribution tends to be normal distribution when the sample size is enough large.…

Q: 9. We want to test a claim that the proportion of people who do not have any health insurance is…

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Q: Describe how would use a calculator and Statcruch to find the Area to the Left corresponding to a Z…

A: Statcrunch is a statistical software from the group of Pearson education for the easiness of…

Q: Find the z-score that cuts off an area of 0.5 to the left of the z-score.   z 0.00 0.01 0.02 0.03…

A: Sketch the normal curve and shade the area of 0.5 to the left "z" under the normal curve.

Q: find the z-score that has 30.5 of the distribution's area to its left

A: Given, z-score = 30.5

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: using proportions what is the area below the z score of 1.11

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Q: Find the​ z-scores for which 82​% of the​ distribution's area lies between −z and z.

A: Solution: a. Let

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

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Q: Find the​ z-scores for which 88​% of the​ distribution's area lies between −z and z.

A: The z-scores for 88% of the​ distribution's area lies between, 1-α=0.88α=0.12α2=0.061-α2=0.94 The…

Q: Find a z- score satisfying the following condition. 25.1% of the total area is to the left of Z…

A: Draw the normal curve and shade area of 0.251 to the left of z.

Q: For normally distributed data, what is the area greater than z = 0.34?

A: Given: Z = 0.34

Q: Find the closest z-value such that 80% of the total area lies to the left of it.

A: P(Z&lt;z)=0.80

Q: The area between a negative Z score and a positive Z score can be found by     adding the Z scores…

A: The Z-score of a random variable X is defined as follows: Z = (X – µ)/σ. Here, µ and σ  are the mean…

Q: Find the z-score where 95% (.95) of the curve is below this z-score and 5% (.05) is above.     Find…

A: It is given that the z-score is Z = ( X - μ )/σ ~ N( 0, 1 ).

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: find the z scores probability  1- left area of z score 1.2345  2- area between -2 and 1.1925

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Q: First, look up the equation for the normal curve. Now, using this equation, calculate the area under…

A: We have to find the area under the curve for a z score between 0 and 1 i.e we have to find P(  0…

Q: the​ z-scores for which 80​% of the​ distribution's area lies between −z and

A: To find the z value, use the standard normal table to find the z-score which cuts off an area of…