The scores on an exam are normally distributed with a mean of 60 and standard deviation of 3. What is the probability that a sample of 55 students will have a mean of at least 60.3162? Round your answer to 4 decimal places.

none of the above.

for one of the equations to be used in the process, there has to be a term in the equation since squared is .

since there is only a term in the first equation, we cannot derive a from completing the square.

solving with completing the square

answer

106 emergencies

step-by-step explanation:

42

step-by-step explanation: