Chapter 6: Q. 6.77 (page 269)
Determine
Short Answer
The score under the usual normal curve with the area to its right is around .
Chapter 6: Q. 6.77 (page 269)
Determine
The score under the usual normal curve with the area to its right is around .
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Get started for free19. If you observe the values of a normally distributed variable for a sample, a normal probability plot should be roughly_________
Without consulting Table II, explain why the area under the standard normal curve that lies to the right of is .
Female College Students. Refer to Example 6.3 on page 256 .
a. The area under the normal curve with parameters that lies to the left of . Use this information to estimate the percentage of female students who are shorter than inches.
b. Use the relative-frequency distribution in Table 6.1 to obtain the actual percentage of female students who are shorter than 61 inches.
c. Compare your answers from parts (a) and (b).
Answer true or false to each statement. Give reasons for your answers.
a. Two variables that have the same mean and standard deviation have the same distribution.
b. Two normally distributed variables that have the same mean and standard deviation have the some distribution.
Find the following scores.
a.
b.
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