Two students in different classes took the same math test. both students received a score of 87. in student a's class the mean was 78 and the standard deviation of 5. in student b's class the mean was 76 with a standard deviation of 4. which student scored in the top 10% of their class? a. student bb.  student ac. both students d. neither student

Student B will score in the top of the class.

Step-by-step explanation:

Here both the students of class A and B scored 87.

Therefore, the value of random variable for both class is, x = 87

According to the question, mean for the class A is,  

And, standard deviation for class A,

Thus, the z-score for Class A,

= 9/5 = 1.8

And,

Also, mean for the class B is,  

And, standard deviation for class B,

Thus, the z-score for Class B,

= 11/4 = 2.75

Thus,

Therefore, student B scored in the top 10% of their class.

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step-by-step explanation:

a) 0,0; 1,1; and 2,2

step-by-step explanation:

these have the exact same coordinates, thus they are the correct function.