During the summer, Gavin tutors and Eva washes cars.To show their earnings, Gavin makes a graph and Eva makes a table. Who earns
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The normal distribution curve is shown in the diagram below
<span>The percentage of time that his commute time exceeds 61 minutes is equal to the area under the standard normal curve that lies to the RIGHT of X=61
Standardising X=61 to find z-score
</span>
<span>
from the z-table
</span>
<span>
</span>
<span>The percentage of time that his commute time exceeds 61 minutes is equal to the area under the standard normal curve that lies to the RIGHT of X=61
Standardising X=61 to find z-score
</span>
<span>
from the z-table
</span>
</span>