Assume that a population of thousands of people whose responses were used to develop the anxiety test had scores that were normally distributed with 30 and 10 What proportion of people in this population would have anxiety scores within each of the following ranges of scores a Below 20 b Above 30 c...

a what proportion of scores are expected to be below X 20 z X 30 10 2030 10 10 The area to the l ...

Assume that a population of thousands of people whose responses were used to develop the anxiety test

Question:

Assume that a population of thousands of people whose responses were used to develop the anxiety test had scores that were normally distributed with µ = 30 and σ = 10. What proportion of people in this population would have anxiety scores within each of the following ranges of scores?
a. Below 20
b. Above 30
c. Between 10 and 50
d. Below 10
e. Below 50
f. Above 50
g. Either below 10 or above 50
a. Assuming that a score in the top 5% of the would be considered extremely anxious, would a person whose anxiety score was 50 be considered extremely anxious?
b. What proportion of people would be expected to score above 30?
c. What proportion of people would be expected to score between 10 and 50?
d. What proportion of people would be expected to score below 10?
e. What proportion of people would be expected to score below 50?
f. What proportion of people would be expected to score above 50?
g. What proportion of people would be expected to score either below 10 or above 50?
h. Assuming that a score in the top 5% of the would be considered extremely anxious, would a person whose anxiety score was 50 be considered extremely anxious?
Distribution
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