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hannahbannana98
26.07.2021 •
Mathematics
If it is given that 2*×3*=24 (6) determine the Numerical value of x and y
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Ответ:
Tobias should be offered the job.
Step-by-step explanation:
Z-score:
In a set with mean
and standard deviation
, the zscore of a measure X is given by:
The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.
In this question:
The applicant with the highest z-score should be chosen.
Tobias:
Score of 84.5, in a version with mean 66.9 and standard deviation 11. His z-score is found when![X = 84.5, \mu = 66.9, \sigma = 11](/tpl/images/1155/2402/42d8d.png)
Kiersten:
Score of 281.8, in a version with mean 261 and standard deviation 26. His z-score is found when
.
Pierce:
Score of 7.69, version with mean 7.2 and standard deviation 0.7. His z-score is found when
.
Due to the higher z-score, Tobias should be offered the job.