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Debora [2.8K]
3 years ago
14

In a cooking contest, the mean score for taste was 20, with a standard deviation of 2.8. One of the contestants received a score

of 14. Convert this score to a z score and tell if it is “usual” or “unusual.”
Mathematics
2 answers:
Luda [366]3 years ago
4 0
The answer is -2.14; unusual 
yulyashka [42]3 years ago
3 0
Z score  =  n - mu / d   where mu = mean and d = std dev.

for n = 14 we hav ez score of (14-20) / 2.8  =  -2.143

unusual  as he is in the bottom 5% 
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