lewis has a bucket with a 5-gallon capacity. lewis puts 12 pints of soapy water in the bucket to wash his car. How many gallons
soapy water are in Lewis's bucket ?
1 answer:
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Solution: We are given:
Using the empirical rule, we have:
covers 68% of data.
Also the percentage of values below mean = Percentage of values above mean = 50%
Now, let's find the z score for x=20
Therefore, the percentage of values greater than 1 standard deviation above mean
Expected number of students = 16% of 100 = 16