Chapter 6: Q. 6.71 (page 269)
Obtain the -score for which the area under the standard normal curve to its left is.
Short Answer
The z-score under the standard normal curve with the area to its left is .
Chapter 6: Q. 6.71 (page 269)
Obtain the -score for which the area under the standard normal curve to its left is.
The z-score under the standard normal curve with the area to its left is .
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State two of the main reasons for studying the normal distribution.
13. What key fact permits you to determine percentages for a normally distributed variable by first converting to scores and then determining the corresponding area under the standard normal curve?
We have provided a normal probability plot of data from a sample of a population. In each case, assess the normality of the variable under consideration.
According to Table II, the area under the standard normal curve that lies to the left of is . Without further reference to Table II, determine the area under the standard normal curve that lies
a. to the right of .
b. to the left of .
c. between and
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