Answer:
Cutoff for a failing score is 49 and 2.28% students failed.
Step-by-step explanation:
We have been given that scores on a psychology exam were normally distributed with a mean of 57 and a standard deviation of 4.
2 standard deviation below mean would be,
Therefore,Cutoff far a failing score is 49.
Now let us find out the z-score for our given values,
Now let us look up the probability from normal distribution table.
Therefore, percentage of students failed is 2.28%.
The probability is 1/10 * 5/10 * 5/10, or 0.025.
$10,000 X 0.05 = $500/year
500 X 4 years = $2,000 after 4 years
Answer:
4
Step-by-step explanation:
2+2=4 so it's 4 because she can't even
Bruce will use 0.1 liters of the liquid.
Step-by-step explanation:
Given,
Quantity of liquid in container = 0.25 liters
Quantity of liquid to be used = 0.4 of quantity in container
Quantity of liquid to be used = 
Quantity of liquid to be used = 
Bruce will use 0.1 liters of the liquid.
Keywords: multiplication
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