Use the graph to the right to answers parts a and b.   a. For the normal distribution shown to the​ right, find the​ z-score. b. Find the value of z for​ right-tail probabilities of​ (i) 0.09 and​ (ii) 0.003.   a. The​ z-score is enter your response here. ​(Round to two decimal places as​ needed.)   b. ​(i) The​ z-score that corresponds to a​ right-tail probability of

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Use the graph to the right to answers parts a and b.
 
a. For the normal distribution shown to the​ right, find the​ z-score.
b. Find the value of z for​ right-tail probabilities of​ (i) 0.09 and​ (ii) 0.003.
 
a. The​ z-score is
enter your response here.
​(Round to two decimal places as​ needed.)
 
b. ​(i) The​ z-score that corresponds to a​ right-tail probability of
0.09 is?
​(ii) The​ z-score that corresponds to a​ right-tail probability of
0.003 is?
​(Round to two decimal places as​ needed.)
 
 
The image shows a normal distribution curve, which is represented by a symmetric bell-shaped curve. The horizontal axis is marked with the mean (μ) at the center and another point marked as μ + zσ to the right of the mean. 

This curve illustrates the properties of a normal distribution where the mean (μ) is the central pivot point of the distribution. The vertical line at μ indicates the mean, which divides the curve into two identical halves.

The shaded area under the curve to the right of μ + zσ represents the tail end of the distribution. This area is highlighted in cyan and corresponds to a probability value of 0.16. The probability value signifies that 16% of the data falls to the right of the μ + zσ mark on the distribution curve.

This type of graph is commonly used in statistics to visualize data distribution, show probabilities, and understand the spread and variability of a dataset.
Transcribed Image Text:The image shows a normal distribution curve, which is represented by a symmetric bell-shaped curve. The horizontal axis is marked with the mean (μ) at the center and another point marked as μ + zσ to the right of the mean. This curve illustrates the properties of a normal distribution where the mean (μ) is the central pivot point of the distribution. The vertical line at μ indicates the mean, which divides the curve into two identical halves. The shaded area under the curve to the right of μ + zσ represents the tail end of the distribution. This area is highlighted in cyan and corresponds to a probability value of 0.16. The probability value signifies that 16% of the data falls to the right of the μ + zσ mark on the distribution curve. This type of graph is commonly used in statistics to visualize data distribution, show probabilities, and understand the spread and variability of a dataset.
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