a. What is the percentage of scores greater than 104? b. What is the probability of randomly selecting a score great than 104? c. What is the percentage of scores less than or equal to 95? d. What is the probability of randomly selecting a score less than or equal to 95? e. What score is so large that only 5% of the scores are larger than it? f. What score is so small that only 1% of the scores are smaller than it? g. What is the probability of randomly drawing a single score between 100 and 106, p(100 < X < 106)?

Ciccarelli: Psychology_5 (5th Edition)
5th Edition
ISBN:9780134477961
Author:Saundra K. Ciccarelli, J. Noland White
Publisher:Saundra K. Ciccarelli, J. Noland White
Chapter1: The Science Of Psychology
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1. Starting with a population that is normally distributed with a mean of 100 and a standard deviation of 12, answer the following questions (if possible).

a. What is the percentage of scores greater than 104?

b. What is the probability of randomly selecting a score great than 104?

c. What is the percentage of scores less than or equal to 95?

d. What is the probability of randomly selecting a score less than or equal to 95?

e. What score is so large that only 5% of the scores are larger than it?

f. What score is so small that only 1% of the scores are smaller than it?

g. What is the probability of randomly drawing a single score between 100 and 106, p(100 < X < 106)? 

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