Some descriptive statistics for a Set of test scores are shown above for this test a certain student has a standardized score of
z=-1.2 what score did the student receive on the test
1 answer:
Complete Question
The complete question is shown on the first uploaded image
Answer:
The score of the student is x = 779.42
Step-by-step explanation:
Generally we can mathematically represent the z-score as

Here x is the score of the student
substituting 1045.7 for the Mean, 221.9 for the stDev and -1.2 for z we have

=> 
=> x = -266.28 + 1045.7
=> x = 779.42
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The answer would be 0.34. Theres 77 humans out of 221 beings, which means 77/221. Simplifying this fraction gives us 0.34.
The equivalent fraction of 8/9 and 3/11 is 61/99.
If correct please mark as Brainliest.
Step-by-step explanation:
2(sp)=ln
6x+2=10x-6
8=4x
x=2
therefore sp=3×2+1=6+1=7
Option D
3 dimes= 30 cent
4 pennnies= 4
30+4= 34 cents
Answer:
Step-by-step explanation:
24/3 - 4
8 - 4 = 4