Question

If a population of scores is normally distributed and has a mean of 300 and a standard deviation of 50, then what proportion of scores would you expect to find between 295 to 305? a)0.34 b)0.68 c)0.50 d)0.95 e) none of the above

Name: if a population of scores is normally distributed and has a mean of 300 and a standard deviation of 50 then what proportion of scores would you expect to find between 295 to 305 a034 b068 c0 31821
Uploaded: 2022-04-19T13:56:50-08:00
Duration: 3 min 42 s
Channel: Jason Horton
Description: if a population of scores is normally distributed and has a mean of 300 and a standard deviation of 50 then what proportion of scores would you expect to find between 295 to 305 a034 b068 c0 31821

          If a population of scores is normally distributed and has a mean
of 300 and a standard deviation of 50, then what proportion of
scores would you expect to find between 295 to 305?
a)0.34
b)0.68
c)0.50
d)0.95
e) none of the above

Added by Timothy M.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Jason Horton

04/19/2022

Step 1

Given Z = (X - μ) / σ Z = (295 - 300) / 50 Z = -5 / 50 Z = -0.1 ** Show more…

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If a population of scores is normally distributed and has a mean of 300 and a standard deviation of 50, then what proportion of scores would you expect to find between 295 to 305? a)0.34 b)0.68 c)0.50 d)0.95 e) none of the above