SOLUTION: a. What is the probability that a student scored below 86 on this​ exam?
The probability that a student scored below 86 is
​(Round to four decimal places as​
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-> SOLUTION: a. What is the probability that a student scored below 86 on this​ exam?
The probability that a student scored below 86 is
​(Round to four decimal places as​
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Question 1072300: a. What is the probability that a student scored below 86 on this exam?
The probability that a student scored below 86 is
(Round to four decimal places as needed.)
b. What is the probability that a student scored between 63 and 97?
The probability that a student scored between 63 and 97 is
nothing.
(Round to four decimal places as needed.)
c. The probability is 25% that a student taking the test scores higher than what grade?
The probability is 25% that a student taking the test scores higher than
nothing.
(Round to the nearest integer as needed.)
d. If the professor grades on a curve (for example, the professor could give A's to the top 10% of the class, regardless of the score), is a student better off with a grade of 90 on this exam or a grade of 73 on a different exam, where the mean is 69 and the standard deviation is 44? Show your answer statistically and explain.
A student is
worse off
better off
with a grade of 90 on this exam because the Z value for the grade of 9090 is
nothing and the Z value for the grade of 73 is
nothing. Answer by rothauserc(4718) (Show Source):
You can put this solution on YOUR website! What is the probability that a student scored below 86 on this exam?
****you need to state the mean and standard deviation