How to find the z value
[DOC File]Z-Score Practice Worksheet
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From the z table, we find the value of z to be 1.960. So the CI is z*SE=.05(1.960)(.0077)= (.035, .065) G. The population proportion p is unknown, and that’s why we want to estimate . it by the sample proportion. E. P-hat is the sample proportion. =X/n=287/350=.82. Since the researchers are testing to determine if more than “half” of all
[DOC File]ASSIGNMENT Chapter 5
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How to find the probability of a value less than a particular z score: Ex #1: If thermometers have an average (mean) reading of 0 degrees and a standard deviation of 1 degree for freezing water, and if one thermometer is randomly selected, find the probability that, at the freezing point of water, the reading is less than 1.58 degrees.
[DOC File]Exam 3 Practice Questions
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Find the z score corresponding to a woman with a height of 70 inches and determine whether the height is unusual. Three students take equivalent stress tests. Which is the highest relative score (meaning which has the largest z score value)? A score of 144 on a …
[DOC File]Z-Score Practice Worksheet
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13. What is the Z value for this atom? _____ 14. What is the A value for this atom? _____ 15. How many neutrons does this atom have? _____ For #16 - #18, consider the following symbol ( 14C. 16. How many protons does this atom have? _____ 17. How many electrons does this atom have? _____ 18. How many neutrons does this atom have?
[DOC File]Subatomic Particles Worksheet
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Suppose you score a 16 on the Dental Anxiety Scale. Find the z value for this score. b. Find the probability that someone scores between 10 and 15 on the Dental Anxiety Scale. c. Find the probability that someone scores above 17 on the Dental Anxiety Scale. ANSWERS. 5.44 (4 points) alcohol, threats, and electric shocks.
Z-Score Calculator
Find the z-scores corresponding to each of the following values: A score of 60, where the mean score of the sample data values is 40. Z=2. A score that is 30 points below the mean. z=-3. A score of 80, where the mean score of the sample data values is 30. Z=5. A score of 20, where the mean score of the sample data values is 50. Z=-3
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