Answer:
p (x -<-89) = p( _x_-_75_ < _ 89_- __75__) = p (z <_ 2) = 0.9773= 97.73%
7 7
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The volume can be found by mlutiplying the length, width, and height together.
So, 1/2x1/4x4/5=1/10
The answer is 1/10
0.7 is the answer. Hope this helps
Answer:
23 students expected to have scores greater than 60.
Step-by-step explanation:
60 is 2 standard deviations above the mean. This translates into a z-score of +2. According to a table of z-scores, the area under the standard normal curve to the left of z = 2 is 0.9772; that to the right of z = 2 is 1.0000 - 0.9772, or 0.0228. This 0.0228 represents the probability that a given score is greater than 60.
This fraction (0.0228) of 1000 students comes out to 23 (rounded up from 22.75).
Do the i p t interest percentage and time the you add the percentage and interest then you multiply that by your time