Z score math | Mathematics homework help
–Please acceptance each of the forthcoming questions. Also, INTERPRET your acceptances.
You must use the exhortation for this week conjuncture agoing on this assignment
– Z reckoning module – underneathneath the Learning Modules. (Also, use the Z reckoning consideration).
*20 points total
YOUR NAME: _______________________________________________
- A narrate function of corrections has a cunning whereby it accepts as correctional officers barely those who reckoning in the top 5 % of a qualifying exam. (4 points)
The balance of this experiment is 80.
Standard rupture is 10.
Would a idiosyncratic after a while a raw reckoning of 95 be true?
(Calculate a Z reckoning: reckoning – balance/st.dev.= )
- Given a usual division of raw reckonings after a while a balance of 60 and a rule rupture of 10, what dispensation of cases fall:
between a raw reckoning of 40 and 80? (3 points)
between a raw reckoning of 45 and 50? (3 points)
- Find the z-reckoning corresponding to a raw reckoning of 90 from a usual division after a while balance 60 and rule rupture 8. (2 points)
- For a usual division where the balance is 50 and the rule rupture is 8, what is the area :
Between the reckonings of 30 and 65? (2 points)
5. Assume that the division of a seed-plot inlet exam is usual after a while a balance of 500 and a rule rupture of 100. For each reckoning under, find the equipollent Z reckoning, the percentage of the area overhead the reckoning, and the percentage of the area under the reckoning. (3 + 3 points)
Score Z reckoning % Area Above % Area Below